Learn how to solve a system of linear equations with two equations two variables using the substitution method in this video math tutorial by Mario's Math Tutoring. We go through two examples to help you learn this technique.

Example 1:
2x-y=7
x=4+y

Example 2:
5x+2y=-1
3x+y=-1

Related Videos to Help You Succeed!:

Elimination Method
https://youtu.be/6kxyYG49oQY

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How to solve exponential equation of this kind is rhetorical but I will guide you on simple ways you can solve this kind of challenging exponential equations with easy.

In this video tutorial, I will explain to you on how to apply the Lambert W function to solving challenging exponential equations like this.
Watch from beginning to the end without skipping any parts for the full details.

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This algebra video tutorial explains how to solve equations with complex numbers. You simply need to write two separate equations. One equation should only contain real numbers and the other should contain only imaginary numbers.

Imaginary Numbers - Basic Intro:
https://www.youtube.com/watch?v=vRJqPo_zcnQ

Graphing Complex Numbers:
https://www.youtube.com/watch?v=BJ6b9t0ryhU

Absolute Value of Complex Numbers:
https://www.youtube.com/watch?v=wmnQgD5oqQw

Adding & Subtracting Complex Numbers:
https://www.youtube.com/watch?v=qNNX79cnFyQ

Multiplying Complex Numbers:
https://www.youtube.com/watch?v=MzCS_8Rzja8

Dividing Complex Numbers:
https://www.youtube.com/watch?v=EfRRpVB62Ko

_____________________________________
Simplifying Complex Numbers:
https://www.youtube.com/watch?v=XyksedEntD4

SAT Math - Complex Numbers:
https://www.youtube.com/watch?v=PKO53M0SEPQ

Solving Equations With Complex Numbers:
https://www.youtube.com/watch?v=nRawKl7jP1M

Imaginary Solutions of Polynomials:
https://www.youtube.com/watch?v=tRrPfxR5h-w

Complex Numbers - Test Review:
https://www.youtube.com/watch?v=y2wPAZwZTng

______________________________________
The Discriminant:
https://www.youtube.com/watch?v=k-TDe0OP2XY

Complex Numbers In Polar Form:
https://www.youtube.com/watch?v=J6TnZxUUzqU

Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

GCSE Maths revision tutorial video.

For the full list of videos and more revision resources visit https://www.mathsgenie.co.uk

Equation Special Cases

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/solutions-linear-equations/e/solutions-to-linear-equations?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/solutions-linear-equations/v/number-of-solutions-to-linear-equations-ex-3?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Missed the previous lesson?
https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/solutions-linear-equations/v/equation-special-cases?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra gives you a simple way to express that repetitive process. It's also seen as a "gatekeeper" subject. Once you achieve an understanding of algebra, the higher-level math subjects become accessible to you. Without it, it's impossible to move forward. It's used by people with lots of different jobs, like carpentry, engineering, and fashion design. In these tutorials, we'll cover a lot of ground. Some of the topics include linear equations, linear inequalities, linear functions, systems of equations, factoring expressions, quadratic expressions, exponents, functions, and ratios.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Algebra channel:
https://www.youtube.com/channe....l/UCYZrCV8PNENpJt36V
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

This algebra video tutorial explains how to solve systems of equations by graphing. The solution is the point of intersection of the two graphs.

Systems of Linear Equations - 2 Variables: https://www.youtube.com/watch?v=oKqtgz2eo-Y

Systems of Equations - Fractions & Decimals:
https://www.youtube.com/watch?v=jlddJQ1qYDU

One Solution, No Solution or Many Solutions?
https://www.youtube.com/watch?v=bq5gDsEdN3Q

Systems of Equations - Substitution Method:
https://www.youtube.com/watch?v=cblHUeq3bkE

Solving Systems of Equations By Graphing:
https://www.youtube.com/watch?v=Pd4hwS8qHms

________________________________________
Systems of Linear Equations - 3 Variables:
https://www.youtube.com/watch?v=0JQeo0yC9OQ

Systems of Equations - Word Problems:
https://www.youtube.com/watch?v=YgtidDkjJ9M

Systems of Quadratic Equations:
https://www.youtube.com/watch?v=rq5AjFs95qw

Systems of Nonlinear Equations:
https://www.youtube.com/watch?v=JPdLEaxlnZQ

________________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

Learn how to solve equations easily

0:00 Introduction
0:30 One Step Equations
1:56 One Step Equations example 2
4:20 Two Step Equations
6:51 Two step Equations example 2
9:42 Solving Most Confusing Two Step Equations Method 1
12:23 Solving Most Confusing Two Step Equations Method 2

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Learn how to solve one-step addition and subtraction equations by adding or subtracting the same thing from both sides of the equation.

Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/why-of-algebra/v/intuition-why-we-divide-both-sides?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Missed the previous lesson?
https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/why-of-algebra/v/one-step-equation-intuition-exercise-intro?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra gives you a simple way to express that repetitive process. It's also seen as a "gatekeeper" subject. Once you achieve an understanding of algebra, the higher-level math subjects become accessible to you. Without it, it's impossible to move forward. It's used by people with lots of different jobs, like carpentry, engineering, and fashion design. In these tutorials, we'll cover a lot of ground. Some of the topics include linear equations, linear inequalities, linear functions, systems of equations, factoring expressions, quadratic expressions, exponents, functions, and ratios.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Algebra channel:
https://www.youtube.com/channe....l/UCYZrCV8PNENpJt36V
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Learn how to solve Quadratic Equations (x^2+3x-10=0) using three different methods: The Quadratic Formula, by Factoring, and by Completing the Square. By PreMath.com

Solving polynomial equations but they get increasingly more awesome. We will also be solving them with different methods such as using the quadratic formula, factoring by grouping, a special way to complete the square, and also utilizing the 6th root of unity.
Try this EXTREME quintic equation 👉 https://youtu.be/GoGsVLnf8Rk

0:00 5 levels of a polynomial equation, from good to AWESOME!
0:3 linear equation x+1=0
0:16 quadratic equation x^2+x+1=0
1:36 cubic equation x^3+x^2+x+1=0
2:41 quadratic equation x^4+x^3+x^2+x+1=0
7:01 quintic equation x^5+x^4+x^3+x^2+x+1=0

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I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

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http://www.freemathvideos.com

If you are looking to take your learning to the next level by then I have created multiple courses on Udemy for you as well. In addition to video tutorials I organize the content so you do not have to wonder which video to watch first. Included in the courses are practice sheets and quizzes for you to master your skills. To learn more please visit
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This song targets math standards in 6th and 7th Grade.
Thank you for watching our Solving One-Step Equations Song!

This algebra video tutorial explains how to solve linear equations with fractions.

Access Full-Length Premium Videos: https://www.patreon.com/MathScienceTutor
_______________________________________________________________________________________________
Algebra For Beginners: https://www.youtube.com/watch?v=MHeirBPOI6w
Chemistry For Beginners: https://www.youtube.com/watch?v=-KfG8kH-r3Y
Physics For Beginners: https://www.youtube.com/watch?v=b1t41Q3xRM8
_______________________________________________________________________________________________
Basic Math Review: https://www.youtube.com/watch?v=T_6Mq6PWoGc
Long Division: https://www.youtube.com/watch?v=GiiuZ8sfw00
Order of Operations: https://www.youtube.com/watch?v=saTBf8AO4Ok
How To Evaluate Algebraic Expressions: https://www.youtube.com/watch?v=-VCUcRtQjx8
Percentages Made Easy: https://www.youtube.com/watch?v=WYWPuG-8U5Q
Fractions - Basic Introduction: https://www.youtube.com/watch?v=GvLIEiqxS6s
______________________________________________________________________________________________
How To Solve Linear Equations: https://www.youtube.com/watch?v=7DPWeBszNSM
Solving Linear Equations - More Problems: https://www.youtube.com/watch?v=Z-ZkmpQBIFo
Translating Words to Algebraic Expressions: https://www.youtube.com/watch?v=QEnFIgN8UBw
Graphing Ordered Pairs: https://www.youtube.com/watch?v=yaOf7ioCgFQ
How To Find The Slope of a Line: https://www.youtube.com/watch?v=jlkE4VCnhdE
Finding The Slope Given 2 Points: https://www.youtube.com/watch?v=Id_UqMLAXzY
Undefined Slope: https://www.youtube.com/watch?v=4eYlTOy-IXw
Slope-Intercept Form: https://www.youtube.com/watch?v=qXX47hS2KLw
Slope-Intercept Form to Standard Form: https://www.youtube.com/watch?v=mCzVZptDhvU
How To Find the X and Y Intercepts: https://www.youtube.com/watch?v=zL1E5w2sMxc
Point-Slope Form: https://www.youtube.com/watch?v=yoHs1h5qtuQ
______________________________________________________________________________________________
Graphing Equations In Point Slope Form: https://www.youtube.com/watch?v=XzG-fi__hsU
Graphing Horizontal and Vertical Lines: https://www.youtube.com/watch?v=ADGduYvdFmc
Writing Equations Given a Point & Slope: https://www.youtube.com/watch?v=Ms5ojdI6UuM
Writing Linear Equations Given 2 Points: https://www.youtube.com/watch?v=lzqTD0JWwhY
Writing Linear Equations From Graphs: https://www.youtube.com/watch?v=JaX_dIDUYBg
Finding The Point of Intersection: https://www.youtube.com/watch?v=R0bGxNzgL2o
Writing Equations Given X & Y Intercepts: https://www.youtube.com/watch?v=ri1bagtR08A
Writing Equations In Standard Form: https://www.youtube.com/watch?v=CN4-ty9e5Jk
Writing Equations Using a Function Table: https://www.youtube.com/watch?v=DffvEuX1v60
Parallel and Perpendicular Lines: https://www.youtube.com/watch?v=Uq8pSFaXPmQ
Writing Equations of Perpendicular Lines: https://www.youtube.com/watch?v=Nj6OKT-zKWg
Linear Equations - Test Review: https://www.youtube.com/watch?v=Ft2_QtXAnh8
______________________________________________________________________________________________
Factoring Trinomials & Polynomials: https://www.youtube.com/watch?v=9MUDAr1PnlE
Systems of Equations: https://www.youtube.com/watch?v=oKqtgz2eo-Y
Solving Quadratic Equations By Factoring: https://www.youtube.com/watch?v=qeByhTF8WEw
Simplifying Rational Expressions: https://www.youtube.com/watch?v=uVpsz-xpnPo
Simplifying Radical Expressions: https://www.youtube.com/watch?v=Llrngdh3Rrg
Imaginary Numbers: https://www.youtube.com/watch?v=vRJqPo_zcnQ
Logarithms: https://www.youtube.com/watch?v=kqVpPSzkTYA
Solving Exponential Equations: https://www.youtube.com/watch?v=9tutJ5xrRwg
Arithmetic Sequences: https://www.youtube.com/watch?v=XZJdyPkCxuE
Geometric Sequences: https://www.youtube.com/watch?v=zRKZ0-kOUZM
Conic Sections: https://www.youtube.com/watch?v=YWHyovdHqkg

#roadto50k

How To Solve a Quadratic Equations By Completing The Square| Grade 11

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Steps to use method of elimination to solve simultaneous equations

This algebra video tutorial explains how to solve systems of equations by elimination and how to solve systems of equations by substitution with 2 variables.

Systems of Linear Equations - 2 Variables: https://www.youtube.com/watch?v=oKqtgz2eo-Y

Systems of Equations - Fractions & Decimals:
https://www.youtube.com/watch?v=jlddJQ1qYDU

One Solution, No Solution or Many Solutions?
https://www.youtube.com/watch?v=bq5gDsEdN3Q

Systems of Equations - Substitution Method:
https://www.youtube.com/watch?v=cblHUeq3bkE

Solving Systems of Equations By Graphing:
https://www.youtube.com/watch?v=Pd4hwS8qHms

________________________________________
Systems of Linear Equations - 3 Variables:
https://www.youtube.com/watch?v=0JQeo0yC9OQ

Systems of Equations - Word Problems:
https://www.youtube.com/watch?v=YgtidDkjJ9M

Systems of Quadratic Equations:
https://www.youtube.com/watch?v=rq5AjFs95qw

Systems of Nonlinear Equations:
https://www.youtube.com/watch?v=JPdLEaxlnZQ

________________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio