Solve the systems in Problems (8-12) by the indicated method. By using an inverse matrix: (left{begin{array}{l}2 x+y=13
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Solve the systems in Problems \(8-12\) by the indicated method.
By using an inverse matrix: \(\left\{\begin{array}{l}2 x+y=13 \\ -\frac{3}{2} x-\frac{1}{2} y=10\end{array}ight.\)
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