Solved

Solve
- $\begin{array} { l } 5 x + 5 y + z = 31 \\5 x - 5 y - z = - 11 \\2 x + y + 3 z = - 3 \\( 2,5 , - 4 )\end{array}$

Question 23

Multiple Choice

Solve.
- $\begin{array} { l } 5 x + 5 y + z = 31 \\5 x - 5 y - z = - 11 \\2 x + y + 3 z = - 3 \\( 2,5 , - 4 ) \end{array}$

A) Yes
B) $\mathrm { No }$

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