petermanaly petermanaly

15-05-2018
Mathematics

contestada

Solve the system of equations and choose the correct answer from the list of options. (4 points) x − y = 7 y = 3x + 12

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MrGumby MrGumby

18-05-2018

x = -19/2
y = -33/2

Start by plugging in the second equation for y in the first equation. Then solve for x. After you can use that value to solve for y.

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