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Questions  >>  SAT  >>  Math  >>  Linear Equations
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Q)

If $7x+9y=42$ and $9x+7y=22$, then find the value of $x+y$

$\begin{array}{1 1} (a)\; 2 \\ (b)\;4 \\ (c)\;6 \\ (d)\; 8 \end{array}$

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