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Solve by the Substitution Method x5y=276x6y=90\begin{array} { l } x - 5 y = - 27 \\- 6 x - 6 y = - 90\end{array}

question 91

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Solve by the substitution method.
- x5y=276x6y=90\begin{array} { l } x - 5 y = - 27 \\- 6 x - 6 y = - 90\end{array}


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