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OpenStudy (anonymous):
Solve the following system of equations: -2x + y = 1 -4x + y = -1
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OpenStudy (anonymous):
-2x+y=1 | -2x+y=1 -2(0)+y=1 | -2x+0=1 y=1 |-2x=1 |-2x div -2 = x | 1 div -2 = -0.5 y=1 x= -0.5
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