How To Solve Linear Systems Using Substitution By Avoiding Fractions!
This math video tutorial explains how to solve linear systems using substitution while avoiding fractions at the same time.
How To Find The Unit Vector: https://www.youtube.com/watch?v=f5DHYCKyVRo
Vectors - Precalculus: https://www.youtube.com/watch?v=iXdMpXMuEGI
The Dot Product of Two Vectors: https://www.youtube.com/watch?v=VzX8KJKFhlM
The Cross Product of Two Vectors: https://www.youtube.com/watch?v=pWbOisq1MJU
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Solving Systems of Equations: https://www.youtube.com/watch?v=oKqtgz2eo-Y
System of Equations - 3 Variables: https://www.youtube.com/watch?v=0JQeo0yC9OQ
Systems of Non-Linear Equations: https://www.youtube.com/watch?v=JPdLEaxlnZQ
Graphing Systems of Linear Inequalities: https://www.youtube.com/watch?v=FWbcKade3rw
Partial Fraction Decomposition: https://www.youtube.com/watch?v=QKkdYW77xNI
Linear Programming: https://www.youtube.com/watch?v=Bzzqx1F23a8
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Introduction to Matrices: https://www.youtube.com/watch?v=yRwQ7A6jVLk
Adding and Subtracting Matrices: https://www.youtube.com/watch?v=QXUbFzEd3Ww
Scalar Multiplication of Matrices: https://www.youtube.com/watch?v=iJERwUVuwtY
Solving Matrix Equations: https://www.youtube.com/watch?v=UHhvcj0doaA
Multiplying Matrices: https://www.youtube.com/watch?v=vzt9c7iWPxs
Gaussian Elimination & Row Echelon Form: https://www.youtube.com/watch?v=eDb6iugi6Uk
Gauss Jordan Elimination: https://www.youtube.com/watch?v=eYSASx8_nyg
Gaussian Elimination With 4 Variables: https://www.youtube.com/watch?v=4VAXv6yRULU
Inverse of a 2x2 Matrix: https://www.youtube.com/watch?v=aiBgjz5xbyg
Inverse of a 3x3 Matrix: https://www.youtube.com/watch?v=Fg7_mv3izR0
Determinant of 2x2 and 3x3 Matrix: https://www.youtube.com/watch?v=3ROzG6n4yMc
Determinant of 4x4 Matrix: https://www.youtube.com/watch?v=fWzUwrt1Z0s
Cramer's Rule - 2x2 Linear System: https://www.youtube.com/watch?v=vXqlIOX2itM
Cramer's Rule - 3x3 Linear System: https://www.youtube.com/watch?v=Ot87qLTODdQ
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Linear Functions: https://www.youtube.com/watch?v=BtcKotD6Ni8
Functions and Graphs - Practice Problems: https://www.youtube.com/watch?v=kvU9sOzT2mk
Graphing Quadratic Functions: https://www.youtube.com/watch?v=OHH7fX_M8Ns
Complex Numbers - Quick Review: https://www.youtube.com/watch?v=OQz1ydBcQSA
Synthetic Division of Polynomials: https://www.youtube.com/watch?v=FxHWoUOq2iQ
Writing Polynomial Functions Given Zeros: https://www.youtube.com/watch?v=vu0JmblDgog
Descartes Rule of Signs: https://www.youtube.com/watch?v=YaU5JTe3cPU
Logarithms Practice Problems: https://www.youtube.com/watch?v=7DVbQKI600k
Trigonometry - Basic Introduction: https://www.youtube.com/watch?v=g8VCHoSk5_o
Law of Sines: https://www.youtube.com/watch?v=8qezAG2r0sk
How To Graph Polar Equations: https://www.youtube.com/watch?v=jO4lwddfeDA
Complex Numbers - De Moivre's Theorem: https://www.youtube.com/watch?v=J6TnZxUUzqU
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Ellipses - Conic Sections: https://www.youtube.com/watch?v=OPSCKXXvWiM
Hyperbolas - Conic Sections: https://www.youtube.com/watch?v=Iu-4-fizlD4
Arithmetic Sequences: https://www.youtube.com/watch?v=XZJdyPkCxuE
Probability - Basic Intro: https://www.youtube.com/watch?v=SkidyDQuupA
Intro to Statistics: https://www.youtube.com/watch?v=XZo4xyJXCak
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Pre-Calculus Final Exam Review: https://www.youtube.com/watch?v=Tj-V6KnwM5w
Full-Length Exam Videos + Worksheets: https://www.patreon.com/MathScienceTutor
