Solve the System by the Method of Substitution $$\left\{ \begin{aligned}x - y & = 4 \\7 x - 4 y & = 37\end{aligned} \right.$$

question 15

Multiple Choice

Solve the system by the method of substitution.​ $$\left\{ \begin{aligned}x - y & = 4 \\7 x - 4 y & = 37\end{aligned} \right.$$ ​

• A)(7,3)
• B)(7,-3)
• C)(-8,-4)
• D)(-7,3)
• E)(8,4)

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