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Determine Whether (3,−12,−1)\left( 3 , - \frac { 1 } { 2 } , - 1 \right)

Question 184

Multiple Choice

Determine whether (3,−12,−1) \left( 3 , - \frac { 1 } { 2 } , - 1 \right) is a solution of the system {x−2y−z=53x−4y+z=105x−2y+z=15\left\{ \begin{array} { l } x - 2 y - z = 5 \\3 x - 4 y + z = 10 \\5 x - 2 y + z = 15\end{array} \right. .


A) not a solution
B) solution

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