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Solve the System of Equations by Elimination, If a Solution {8x+9y=85x+7y=5\left\{ \begin{array} { c } 8 x + 9 y = 8 \\- 5 x + 7 y = - 5\end{array} \right.

question 36

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Solve the system of equations by elimination, if a solution exists.
- {8x+9y=85x+7y=5\left\{ \begin{array} { c } 8 x + 9 y = 8 \\- 5 x + 7 y = - 5\end{array} \right.


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