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21-11-2020
Mathematics

contestada

Solve the system using substitution. Check your solution.
5x - y = 78
2y
= X
The solution is
(Simplify your answer. Type an integer or a simplified fraction. Type an ordered pair.)

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21-11-2020

5(2y)-y = 78
10y-y = 78
9y = 78
8.67 = y
if u need x then just plug in 8.67 as y

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