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OpenStudy (anonymous):
Solve the system of equations: what is the x-value for the solution? 2x + 7y = 3 and x = 1 - 4y
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hero (hero):
2(1-4y) + 7y = 3 2 - 8y + 7y= 3 -y = 1 y = -1 x = 5
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