Solved

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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