Step 1:
[tex]\begin{gathered} y\text{ = -4x }-\text{ 12 Equation 1} \\ y\text{ = 4x }+\text{ 4 Equation 2} \end{gathered}[/tex]
Step 2:
Use the substitution method.
From the second equation, substitute y = 4x + 4 into the first equation.
[tex]undefined[/tex]
