Solve the System A) $\{ ( 3,7,2 ) \}$ B) $\{ ( 3,7 , - 2 ) \}$

question 133

Multiple Choice

Solve the system.
$\begin{array} { l } \frac { 6 } { x } - \frac { 1 } { y } + \frac { 5 } { z } = \frac { 61 } { 14 } \\- \frac { 1 } { x } + \frac { 4 } { y } - \frac { 3 } { z } = - \frac { 53 } { 42 } \\\frac { 7 } { x } - \frac { 1 } { y } - \frac { 1 } { z } = \frac { 71 } { 42 }\end{array}$

• A) \(\{ ( 3,7,2 ) \}\)
• B) \(\{ ( 3,7 , - 2 ) \}\)
• C) \(\left\{ \left( \frac { 1 } { 3 } , \frac { 1 } { 7 } , - \frac { 1 } { 2 } \right) \right\}\)
• D) \(\left\{ \left( \frac { 1 } { 3 } , \frac { 1 } { 7 } , \frac { 1 } { 2 } \right) \right\}\)

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