Solve the System $$\left( \begin{array} { r l l } 5 x &+ &3 y& - &2 z & = & - 4 \\4 x& -& 7 y &+&7 z & = & 68 \\2 x &-& 5 y &+ &3 z & = & 36\end{array} \right)$$

question 195

Multiple Choice

Solve the system. $$\left( \begin{array} { r l l } 5 x &+ &3 y& - &2 z & = & - 4 \\4 x& -& 7 y &+&7 z & = & 68 \\2 x &-& 5 y &+ &3 z & = & 36\end{array} \right)$$

• A) x = 2, y = -5, z = 2
• B) x = 3, y = -3, z = 5
• C) x = 2, y = -6, z = 4
• D) x = 4, y = -5, z = 4

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