Solve the system of equations by using the inverse of the coefficient matrix.
-$
\begin{array}{rr}
x-2 y+3 z & =3 \
y-z+w & =-6 \
-2 x+2 y-2 z+4 w & =-18 \
2 y-3 z+w & =-10
\end{array}
$
A) $ (-2,3,3,-6) $
B) $ (-2,2,3,-5) $
C) $ (-3,2,4,-5) $
D) $ (-1,1,2,-4) $

Question

Quizplus · Accepted Answer

The Answer of Solve the system of equations by using the inverse of the coefficient matrix.
-$
\begin{array}{rr}
x-2 y+3 z & =3 \
y-z+w & =-6 \
-2 x+2 y-2 z+4 w & =-18 \
2 y-3 z+w & =-10
\end{array}
$
A) $ (-2,3,3,-6) $
B) $ (-2,2,3,-5) $
C) $ (-3,2,4,-5) $
D) $ (-1,1,2,-4) $

Solve the System of Equations by Using the Inverse of the Coefficient