Question
Solve each system of linear equations by graphing. See Examples 3 through 6$$\left\{\begin{array}{l}{x+y=5} \\{x=4}\end{array}\right.$$
Step 1
The first equation is $x+y=5$. This is a straight line with a negative slope, which means it will slope downwards from left to right. The second equation is $x=4$. This is a vertical line that crosses the x-axis at 4. Show more…
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Solve each system of linear equations by graphing. See Examples 3 through 6 $$ \left\{\begin{array}{l} {y=x+5} \\ {y=-2 x-4} \end{array}\right. $$
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Solve each system of linear equations by graphing. See Examples 3 through 6 $$ \left\{\begin{array}{l} {x=-5} \\ {y=3} \end{array}\right. $$
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