9+13y-5=9y+20-4y

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Solution for 9+13y-5=9y+20-4y equation: 


Simplifying
9 + 13y + -5 = 9y + 20 + -4y

Reorder the terms:
9 + -5 + 13y = 9y + 20 + -4y

Combine like terms: 9 + -5 = 4
4 + 13y = 9y + 20 + -4y

Reorder the terms:
4 + 13y = 20 + 9y + -4y

Combine like terms: 9y + -4y = 5y
4 + 13y = 20 + 5y

Solving
4 + 13y = 20 + 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 + 13y + -5y = 20 + 5y + -5y

Combine like terms: 13y + -5y = 8y
4 + 8y = 20 + 5y + -5y

Combine like terms: 5y + -5y = 0
4 + 8y = 20 + 0
4 + 8y = 20

Add '-4' to each side of the equation.
4 + -4 + 8y = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 8y = 20 + -4
8y = 20 + -4

Combine like terms: 20 + -4 = 16
8y = 16

Divide each side by '8'.
y = 2

Simplifying
y = 2

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