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.
(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.
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