Practice problem
Solve this system of equations using matrix methods. {−7x+4y−4z=−122−8y−6z=347x−6y+10z=168\\\begin{cases}-7x+4y-4z&=-122\\-8y-6z&=34\\7x-6y+10z&=168\end{cases}⎩⎨⎧−7x+4y−4z−8y−6z7x−6y+10z=−122=34=168
x=9y=−9z=6\begin{matrix}x=9&y=-9&z=6\end{matrix}x=9y=−9z=6
x=10y=−8z=5\begin{matrix}x=10&y=-8&z=5\end{matrix}x=10y=−8z=5
x=9y=−8z=5\begin{matrix}x=9&y=-8&z=5\end{matrix}x=9y=−8z=5
x=10y=−9z=5\begin{matrix}x=10&y=-9&z=5\end{matrix}x=10y=−9z=5
Type a concept, like “slope” or “photosynthesis”.
