Solve the system.
$\begin{array} { l }
\frac { 6 } { x } + \frac { 4 } { y } = - \frac { 2 } { 21 } \
\frac { 7 } { x } - \frac { 3 } { y } = - \frac { 76 } { 63 }
\end{array}$
A) $\left\{ \left( - \frac { 4221 } { 106 } , 7 \right) \right\}$
B) $\{ ( - 9,7 ) \}$
C) $\{ ( 9 , - 7 ) \}$
D) $\{ ( 7 , - 9 ) \}$

Question

Solve the system.
$\begin{array} { l } 
\frac { 6 } { x } + \frac { 4 } { y } = - \frac { 2 } { 21 } \
\frac { 7 } { x } - \frac { 3 } { y } = - \frac { 76 } { 63 }
\end{array}$
A) $\left\{ \left( - \frac { 4221 } { 106 } , 7 \right) \right\}$
B) $\{ ( - 9,7 ) \}$
C) $\{ ( 9 , - 7 ) \}$
D) $\{ ( 7 , - 9 ) \}$

Quizplus · Accepted Answer

By solving the system of equations, we find that $ x = -9 $ and $ y = 7 $.

Solve the System A) {(−4221106,7)}\left\{ \left( - \frac { 4221 } { 106 } , 7 \right) \right\}{(−1064221​,7)}

Solve the System A) $\left\{ \left( - \frac { 4221 } { 106 } , 7 \right) \right\}$