Solve the System of Equations by Using Substitution $$\left\{ \begin{array} { l } 3 x + y = 13 \\2 x + 9 y = - 8\end{array} \right.$$

question 106

Multiple Choice

Solve the system of equations by using substitution.
- $$\left\{ \begin{array} { l } 3 x + y = 13 \\2 x + 9 y = - 8\end{array} \right.$$

• A) x = 5, y = 2
• B) x = -5, y = -2
• C) x = -5, y = 2
• D) x = 5, y = -2

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