Solve the System by Using Either the Substitution Method or the Elimination-By-Addition

question 139

Multiple Choice

Solve the system by using either the substitution method or the elimination-by-addition method, whichever seems more appropriate. $\left( \begin{array} { l } x = 3 y + 3 \\x = - 4 y + 5\end{array} \right)$

• A) \(\left( \frac { 31 } { 7 } , \frac { 2 } { 7 } \right)\)
• B) \(\left( \frac { 31 } { 7 } , - \frac { 2 } { 7 } \right)\)
• C) \(\left( \frac { 27 } { 7 } , \frac { 2 } { 7 } \right)\)
• D) \(\left( \frac { 29 } { 7 } , \frac { 2 } { 7 } \right)\)
• E) \(\left( \frac { 27 } { 7 } , - \frac { 2 } { 7 } \right)\)

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