Question 129409
X=2Y-8
3X-2Y=-12
3(2Y-8)-2Y=-12
6Y-24-2Y=-12
4Y=-12+24
4Y=12
Y=12/4
Y=3 ANSWER.
X=2*3-8
X=6-8
X=-2 ANSWER.
PROOF:
3*-2-2*3=-12
-6-6=-12
-12=-12