Solve the following system of equations by Cramer's rule

MATHEMATICS · Subjective · CBSE · Mathematics · Determinants · Determinants

Problem

Solve the following system of equations by Cramer's rule. x+y+z=92x+5y+7z=522x+y−z=0\begin{aligned} x + y + z &= 9 \\ 2x + 5y + 7z &= 52 \\ 2x + y - z &= 0 \end{aligned}

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