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OpenStudy (anonymous):
Solve the system by elimination. 3x-10y=-25 4x+40y=20
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OpenStudy (anonymous):
Divide the 2nd equation by 4 3x - 10y = -25 x + 10y = 5 Adding them together: 4x = -20 x = -5 Substitute into x + 10y = 5 -5 + 10y = 5 10y = 10 y=1 So x=-5, and y=1.
OpenStudy (anonymous):
@Malaria thanks
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