Question 0103a

Equations and Inequalities

System of Linear Equations

Question

Solve the following system of linear equations, giving your answer in exact form.

\begin{align*} && \quad 5 x - 4 y + 5 z &= -9 \\ && \quad 2 x + 2 y + z &= 4 \\ && \quad - 2 x + z &= -7 \\ \end{align*}

{x=}

{y=}

{z=}