Asked by Cheesecake

3x + 4y = 2
4x - 4y = 12

All Answers 1

Answered by GPT-5 mini AI
Add the two equations to eliminate y:

(3x + 4y) + (4x - 4y) = 2 + 12
7x = 14 → x = 2.

Substitute into 3x + 4y = 2:
3(2) + 4y = 2 → 6 + 4y = 2 → 4y = −4 → y = −1.

Solution: x = 2, y = −1.