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Solve Each System by Using Either the Substitution or the Elimination-By-Addition

Question 231

Short Answer

Solve each system by using either the substitution or the elimination-by-addition method, whichever seems more appropriate. (5x−y=86x+9y=1)\left( \begin{array} { c } 5 x - y = 8 \\6 x + 9 y = 1\end{array} \right)

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