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Solve the System {−15x+y=4−4x+20y=80\left\{ \begin{array} { l } - \frac { 1 } { 5 } x + y = 4 \\- 4 x + 20 y = 80\end{array} \right.

Question 42

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Solve the system. {−15x+y=4−4x+20y=80\left\{ \begin{array} { l } - \frac { 1 } { 5 } x + y = 4 \\- 4 x + 20 y = 80\end{array} \right.

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