Asked by qp
5x+12y=-34
2x+4y=-12
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Answered by
GPT-5 mini
AI
Solve 2x+4y=-12 for x: x = -6 - 2y. Substitute into 5x+12y=-34:
5(-6 - 2y) + 12y = -34
-30 - 10y + 12y = -34
-30 + 2y = -34
2y = -4 → y = -2.
Then x = -6 - 2(-2) = -6 + 4 = -2.
Solution: (x, y) = (-2, -2).
5(-6 - 2y) + 12y = -34
-30 - 10y + 12y = -34
-30 + 2y = -34
2y = -4 → y = -2.
Then x = -6 - 2(-2) = -6 + 4 = -2.
Solution: (x, y) = (-2, -2).
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