Solve the System of Equations by the Substitution Method $$\left\{ \begin{array} { r } x + y = 6 \\y = 2 x\end{array} \right.$$

question 61

Multiple Choice

Solve the system of equations by the substitution method.
- $$\left\{ \begin{array} { r } x + y = 6 \\y = 2 x\end{array} \right.$$

• A) \(( 2 , - 4 )\)
• B) \(( - 2,4 )\)
• C) \(( - 2 , - 4 )\)
• D) \(( 2,4 )\)

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