Solve the System of Equations by the Substitution Method $$\begin{array} { r } x - 3 y = - 30 \\- 5 x - 4 y = - 2\end{array}$$

question 222

Multiple Choice

Solve the system of equations by the substitution method.
- $$\begin{array} { r } x - 3 y = - 30 \\- 5 x - 4 y = - 2\end{array}$$

• A) \(\{ ( - 6,8 ) \}\)
• B) \(\{ ( - 7,9 ) \}\)
• C) \(\{ ( 6,9 ) \}\)
• D) \(\varnothing\)

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