Solve the System of Equations by the Substitution Method $$\begin{array} { l } 6 x + y = - 7 \\3 x - 5 y = - 9\end{array}$$

question 70

Multiple Choice

Solve the system of equations by the substitution method.
- $$\begin{array} { l } 6 x + y = - 7 \\3 x - 5 y = - 9\end{array}$$

• A) \(\left. \left\{ - \frac { 4 } { 3 } , 1 \right] \right\}\)
• B) \(\{ ( 1,9 ) \}\)
• C) \(\left\{ \left[ - 5 , \frac { 6 } { 5 } \right\} \right\}\)
• D) \(\left\{ \left[ - \frac { 1 } { 3 } , - 5 \right\} \right\}\)

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