Solve the System by Substitution, If Possible $\left\{ \begin{array} { l } y = 7 x - 21 \\9 x - y = 29\end{array} \right.$

question 266

Multiple Choice

Solve the system by substitution, if possible. $\left\{ \begin{array} { l } y = 7 x - 21 \\9 x - y = 29\end{array} \right.$

• A)(11, -2)
• B)(7, 4)
• C)(-3, 12)
• D)(4, 7)
• E)No solutions

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