Solve, Using the Substitution Method, and Check $\begin{array} { c } 3 x + 8 y = 80 \\y = 2 x - 9\end{array}$

question 51

Multiple Choice

Solve, using the substitution method, and check. $\begin{array} { c } 3 x + 8 y = 80 \\y = 2 x - 9\end{array}$

• A) (13, 12)
• B) (8, -7)
• C) (11, 4)
• D) (8, 7)
• E) (7, 6)

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