Systems of Two Linear Equations in Two Variables Video 1
Explaining the format and possible solutions for a system of two linear equations
Systems of Two Linear Equations in Two Variables Video 2
Author: John Fisk
This video explains how to solve the following system of linear equations using algebraic substitution. You can try to find the domain before watching the video and click "Reveal Answer" to see if you are correct.
Problem: Solve the following system of linear equations: \begin{align*} x+y&=2\\
-2x+y&=-1\end{align*}
\((x,y)=(1,1)\)
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