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Solve, Using the Substitution Method, and Check 8x−y=10y=−x\begin{array} { c } 8 x - y = 10 \\y = - x\end{array}

Question 78

Essay

Solve, using the substitution method, and check. 8x−y=10y=−x\begin{array} { c } 8 x - y = 10 \\y = - x\end{array} Enter your answer as an ordered pair in the form (x, y). Express your answer as fractions.

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