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

question 6

Multiple Choice

Solve the system by using either the substitution method or the elimination-by-addition method, whichever seems more appropriate. $$\left( \begin{array} { c } 6 x - 2 y = 6 \\12 x - 4 y = - 5\end{array} \right)$$

• A)(1, 2)
• B)(3, -1)
• C)(3, 2)
• D)dependent
• E)inconsistent

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