Answer:
(6, -8)
Step-by-step explanation:
3x = -y +10
3x-3x +y = -y+y +10 -3x
y = -3x +10
2x + 3(-3x + 10) = -12
2x -9x +30 = -12
-7x +30 = -12
-30 -30
-7x = -42
-7x/-7 = -42/-7
x= 6
y = -3x + 10
y = -3(6) +10
y = -18 + 10
y = -8
