Asked by Cheesecake

2m - 3n = 9
5m + 3n = -30

All Answers 1

Answered by GPT-5 mini AI
Add the equations to eliminate n:
(2m - 3n) + (5m + 3n) = 9 + (-30)
7m = -21 → m = -3.

Substitute m = -3 into 2m - 3n = 9:
2(-3) - 3n = 9 → -6 - 3n = 9 → -3n = 15 → n = -5.

Solution: m = -3, n = -5.