Solve.
-$$\begin{array} { l }
x + y + z = - 2 \
x - y + 5 z = - 26 \
4 x + y + z = 1 \
1,2 , - 5 )
\end{array}$$
A) $\mathrm { No }$
B) Yes

Question

Solve.
-$$\begin{array} { l } 
x + y + z = - 2 \
x - y + 5 z = - 26 \
4 x + y + z = 1 \
1,2 , - 5 )
\end{array}$$
A) $\mathrm { No }$
B) Yes

Quizplus · Accepted Answer

The given system of equations can be solved using methods such as substitution, elimination, or matrix inversion. The provided solution (1, 2, -5) satisfies all three equations, indicating that it is indeed a solution to the system.

Solve - x+y+z=−2x−y+5z=−264x+y+z=11,2,−5)\begin{array} { l } x + y + z = - 2 \\x - y + 5 z = - 26 \\4 x + y + z = 1 \\1,2 , - 5 )\end{array}x+y+z=−2x−y+5z=−264x+y+z=11,2,−5)​

Solve
- $\begin{array} { l } x + y + z = - 2 \\x - y + 5 z = - 26 \\4 x + y + z = 1 \\1,2 , - 5 )\end{array}$