Answer:
x = 3, y = -3
Step-by-step explanation:
3x - 2y = 15 (eq 1)
x + y = 0 (eq 2)
(eq 2) x 2
2x + 2y = 0 (eq 3)
(eq 1) + (eq 3)
5x = 15
x = 3
SUB x=3 into (eq 2)
3 + y = 0
y = -3
324 is ya answer!
here y+13=15
so we got y=2
then y+13+x+12=30
then we will get x=3