Question 0103a

Equations and Inequalities
System of Linear Equations

Question

Solve the following system of linear equations, giving your answer in exact form.
y+z=−6y−z=−95x−y+5z=−7\begin{align*} && \quad y + z &= -6 \\ && \quad y - z &= -9 \\ && \quad 5 x - y + 5 z &= -7 \\ \end{align*}

Attempt

x={x=}
y={y=}
z={z=}

Answer

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