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Solve by Substitution 3x+y-z=0 , 2x-y+3z=-7

$3 x + y - z = 0$ , $2 x - y + 3 z = - 7$

Step 1

$3 x + y - z = 0, 2 x - y + 3 z = - 7$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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