Solve the systems in Problems (27-38) by the addition method. (left{begin{array}{l}6 r-4 s=10 2 s=3 r-5end{array}ight.)
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Solve the systems in Problems \(27-38\) by the addition method.
\(\left\{\begin{array}{l}6 r-4 s=10 \\ 2 s=3 r-5\end{array}ight.\)
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