Solve the system using the inverse matrix. $\begin{aligned}
x + 3 y + z & = 19 \
x + y + z & = 7 \
4 x + y + z & = 25
\end{aligned}$
A) $x = 9$ , $y = 4$ , $z = - 6$
B) $x = 4$ , $y = 5$ , $z = - 2$
C) $x = 5$ , $y = 9$ , $z = - 7$
D) $x = 6$ , $y = 6$ , $z = - 5$
E) The system is inconsistent.

Question

Solve the system using the inverse matrix.   $\begin{aligned}
x + 3 y + z & = 19 \
x + y + z & = 7 \
4 x + y + z & = 25
\end{aligned}$  
A) $x = 9$ , $y = 4$ , $z = - 6$
B) $x = 4$ , $y = 5$ , $z = - 2$
C) $x = 5$ , $y = 9$ , $z = - 7$
D) $x = 6$ , $y = 6$ , $z = - 5$
E) The system is inconsistent.

Quizplus · Accepted Answer

The Answer of Solve the system using the inverse matrix.   $\begin{aligned}
x + 3 y + z & = 19 \
x + y + z & = 7 \
4 x + y + z & = 25
\end{aligned}$  
A) $x = 9$ , $y = 4$ , $z = - 6$
B) $x = 4$ , $y = 5$ , $z = - 2$
C) $x = 5$ , $y = 9$ , $z = - 7$
D) $x = 6$ , $y = 6$ , $z = - 5$
E) The system is inconsistent.

Solve the System Using the Inverse Matrix x+3y+z=19x+y+z=74x+y+z=25\begin{aligned}x + 3 y + z & = 19 \\x + y + z & = 7 \\4 x + y + z & = 25\end{aligned}x+3y+zx+y+z4x+y+z​=19=7=25​

Solve the System Using the Inverse Matrix $\begin{aligned}x + 3 y + z & = 19 \\x + y + z & = 7 \\4 x + y + z & = 25\end{aligned}$