Practice problem
Solve the system of equations. {z+2x+3y=679x+4z=4+5y3x−4+4y=28z\\\begin{cases}z+2x+3y&=67\\9x+4z&=4+5y\\3x-4+4y&=28z\end{cases}⎩⎨⎧z+2x+3y9x+4z3x−4+4y=67=4+5y=28z
x=8y=16z=3\begin{matrix}x=8&y=16&z=3\end{matrix}x=8y=16z=3
x=9y=15z=4\begin{matrix}x=9&y=15&z=4\end{matrix}x=9y=15z=4
x=8y=15z=3\begin{matrix}x=8&y=15&z=3\end{matrix}x=8y=15z=3
x=9y=16z=3\begin{matrix}x=9&y=16&z=3\end{matrix}x=9y=16z=3
Type a concept, like “slope” or “photosynthesis”.
