31=-5y+2(y+2)

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Solution for 31=-5y+2(y+2) equation: 


Simplifying
31 = -5y + 2(y + 2)

Reorder the terms:
31 = -5y + 2(2 + y)
31 = -5y + (2 * 2 + y * 2)
31 = -5y + (4 + 2y)

Reorder the terms:
31 = 4 + -5y + 2y

Combine like terms: -5y + 2y = -3y
31 = 4 + -3y

Solving
31 = 4 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
31 + 3y = 4 + -3y + 3y

Combine like terms: -3y + 3y = 0
31 + 3y = 4 + 0
31 + 3y = 4

Add '-31' to each side of the equation.
31 + -31 + 3y = 4 + -31

Combine like terms: 31 + -31 = 0
0 + 3y = 4 + -31
3y = 4 + -31

Combine like terms: 4 + -31 = -27
3y = -27

Divide each side by '3'.
y = -9

Simplifying
y = -9

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