X=-12-6y -4x+5y=-39slove by the system of substitution
1 answer:
X = -6y - 12 4x + 5y =-39 4x + 5y = -39 -4(-6y - 12) + 5y = -39 -4(-6y) + 4(12) + 5y = -39 24y + 48 + 5y = -39 29y + 48 = -39 29y = -87 y = -3 x = -6y - 12 x = -6(-3) - 12 x = 28 - 12 x = 6 (x, y) = (6, -3)
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