Question
Solve each system by substitution. See Example 1.$$\begin{array}{l}4 x+3 y=-13 \\-x+y=5\end{array}$$
Step 1
The second equation is easier to solve for $y$. So, we add $x$ to both sides of the equation $-x+y=5$ to get $y=x+5$. Show more…
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