bernicearias91 bernicearias91

21-12-2014
Mathematics

contestada

Solve the following equations enter x-coordinate of the solution round to the nearest tenth
5y+2y=22
-2y+6y=3

Respuesta :

21-12-2014

5y + 2y = 22
(add 2y to 5y)
7y = 22
(divide each side by 7)
y ≈ 3.1

-2y + 6y = 3
(add 6y to -2y)
4y = 3
(divide each side by 4)
y = 0.75

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