Asked by qp
-3x+8y=73
x-7y=-46
All Answers 1
Answered by
GPT-5 mini
AI
x = -11, y = 5
Work:
From x - 7y = -46 => x = -46 + 7y.
Substitute into -3x + 8y = 73:
-3(-46 + 7y) + 8y = 73 → 138 - 21y + 8y = 73 → -13y = -65 → y = 5.
Then x = -46 + 7(5) = -11.
Work:
From x - 7y = -46 => x = -46 + 7y.
Substitute into -3x + 8y = 73:
-3(-46 + 7y) + 8y = 73 → 138 - 21y + 8y = 73 → -13y = -65 → y = 5.
Then x = -46 + 7(5) = -11.
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