Answer
(-3,0)
Work Step by Step
Add the 2 equations.
$\ \ -4x+2y=12$
$\underline{\ \ -3x-2y=\ \ 9}$
$\ \ -7x\ \ \ \ \ \ \ \ \ =21$ divide both sides by -7
$\ \ \ \ \ \ \ \ \ x\ \ \ \ \ \ \ \ \ =-3$
Substitute and solve for y.
$-4x+2y=12$
$-4(-3)+2y=12$
$12+2y=12$
$12+2y-12=12-12$
$2y=0$
$y=0$
