6+8y-2=9y+31-4y

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Solution for 6+8y-2=9y+31-4y equation: 


Simplifying
6 + 8y + -2 = 9y + 31 + -4y

Reorder the terms:
6 + -2 + 8y = 9y + 31 + -4y

Combine like terms: 6 + -2 = 4
4 + 8y = 9y + 31 + -4y

Reorder the terms:
4 + 8y = 31 + 9y + -4y

Combine like terms: 9y + -4y = 5y
4 + 8y = 31 + 5y

Solving
4 + 8y = 31 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
4 + 8y + -5y = 31 + 5y + -5y

Combine like terms: 8y + -5y = 3y
4 + 3y = 31 + 5y + -5y

Combine like terms: 5y + -5y = 0
4 + 3y = 31 + 0
4 + 3y = 31

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

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

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

Divide each side by '3'.
y = 9

Simplifying
y = 9

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