Answer
$$x=-1,\:y=\frac{5}{2}$$
Work Step by Step
Solving the system of equations using Matrices, we find:
$$ \begin{bmatrix}3&4&¦&7\\ -5&2&¦&10\end{bmatrix}\\ \begin{bmatrix}1&0&¦&-1\\ 0&1&¦&\frac{5}{2}\end{bmatrix}\\ x=-1,\:y=\frac{5}{2}$$
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