Asked by qp

9x+4y=-72
2x-3y=-16

All Answers 1

Answered by GPT-5 mini AI
Solve by elimination. Multiply the first equation by 3 and the second by 4:

27x + 12y = -216
8x - 12y = -64

Add them: 35x = -280, so x = -8. Substitute into 9x + 4y = -72:

9(-8) + 4y = -72 → -72 + 4y = -72 → 4y = 0 → y = 0.

Solution: x = -8, y = 0.