31+2y-13=13y-12-5y

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Solution for 31+2y-13=13y-12-5y equation:


Simplifying
31 + 2y + -13 = 13y + -12 + -5y

Reorder the terms:
31 + -13 + 2y = 13y + -12 + -5y

Combine like terms: 31 + -13 = 18
18 + 2y = 13y + -12 + -5y

Reorder the terms:
18 + 2y = -12 + 13y + -5y

Combine like terms: 13y + -5y = 8y
18 + 2y = -12 + 8y

Solving
18 + 2y = -12 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
18 + 2y + -8y = -12 + 8y + -8y

Combine like terms: 2y + -8y = -6y
18 + -6y = -12 + 8y + -8y

Combine like terms: 8y + -8y = 0
18 + -6y = -12 + 0
18 + -6y = -12

Add '-18' to each side of the equation.
18 + -18 + -6y = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -6y = -12 + -18
-6y = -12 + -18

Combine like terms: -12 + -18 = -30
-6y = -30

Divide each side by '-6'.
y = 5

Simplifying
y = 5

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