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Solve for both systems: x + 5y = 7 and x + 3y = 1

Solve for both systems: x + 5y = 7 and x + 3y = 1
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Solve for both systems: x + 5y = 7 and x + 3y = 1

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User FellowMD
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Solve for both systems: x + 5y = 7 and x + 3y = 1-example-1
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User Matt Brictson
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x+5y=7 \\ x+3y=1 \ \ \ \ \ \ \ \ \ \ \ |* (-1) \\ \\ x+5y=7 \\ \underline{-x-3y=-1} \\ 5y-3y=7-1 \\ 2y=6 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |/ 2 \\ y=3 \\ \\ x+3y=1 \\ x+3 * 3=1 \\ x+9=1 \ \ \ \ \ \ \ \ \ \ \ \ \ |-9 \\ x=-8 \\ \\ \boxed{(x,y)=(-8,3)}
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User Dilum Ranatunga
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