Question

Solve using elimination. 3x + 2y = -15 -x – 2y = -3

Answer 1

2x=-18
x=-9.....................................

Answer 2

3x + 2y = -15
-x – 2y = -3
----------------add
2x = -18
x = -9

3x + 2y = -15
3(-9) +2y = -15
-27 + 2y = -15
2y = -15 + 27
2y = 12
y = 6

answer (-9, 6)