2y+7+y=-8

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Solution for 2y+7+y=-8 equation: 


Simplifying
2y + 7 + y = -8

Reorder the terms:
7 + 2y + y = -8

Combine like terms: 2y + y = 3y
7 + 3y = -8

Solving
7 + 3y = -8

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + 3y = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 3y = -8 + -7
3y = -8 + -7

Combine like terms: -8 + -7 = -15
3y = -15

Divide each side by '3'.
y = -5

Simplifying
y = -5

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