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Solve Systems of Linear Equations in Three Variables
- x+y=23x+5y+3z=18xz=3\begin{array} { r r } x + y & = - 2 \\ 3 x + 5 y + 3 z & = - 18 \\ x - z & = 3 \end{array}

Question 124

Multiple Choice

Solve Systems of Linear Equations in Three Variables
- x+y=23x+5y+3z=18xz=3\begin{array} { r r } x + y & = - 2 \\ 3 x + 5 y + 3 z & = - 18 \\ x - z & = 3 \end{array}


A) {(1,3,2) }\{ ( 1 , - 3 , - 2 ) \}
B) {(1,2,3) }\{ ( 1 , - 2 , - 3 ) \}
C) {(2,3,1) }\{ ( - 2 , - 3,1 ) \}
D) {(2,1,3) }\{ ( - 2,1 , - 3 ) \}

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