8+7y-5=9y+13-4y

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Solution for 8+7y-5=9y+13-4y equation: 


Simplifying
8 + 7y + -5 = 9y + 13 + -4y

Reorder the terms:
8 + -5 + 7y = 9y + 13 + -4y

Combine like terms: 8 + -5 = 3
3 + 7y = 9y + 13 + -4y

Reorder the terms:
3 + 7y = 13 + 9y + -4y

Combine like terms: 9y + -4y = 5y
3 + 7y = 13 + 5y

Solving
3 + 7y = 13 + 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.
3 + 7y + -5y = 13 + 5y + -5y

Combine like terms: 7y + -5y = 2y
3 + 2y = 13 + 5y + -5y

Combine like terms: 5y + -5y = 0
3 + 2y = 13 + 0
3 + 2y = 13

Add '-3' to each side of the equation.
3 + -3 + 2y = 13 + -3

Combine like terms: 3 + -3 = 0
0 + 2y = 13 + -3
2y = 13 + -3

Combine like terms: 13 + -3 = 10
2y = 10

Divide each side by '2'.
y = 5

Simplifying
y = 5

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