9+15y-4=9y+85-4y

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Solution for 9+15y-4=9y+85-4y equation:


Simplifying
9 + 15y + -4 = 9y + 85 + -4y

Reorder the terms:
9 + -4 + 15y = 9y + 85 + -4y

Combine like terms: 9 + -4 = 5
5 + 15y = 9y + 85 + -4y

Reorder the terms:
5 + 15y = 85 + 9y + -4y

Combine like terms: 9y + -4y = 5y
5 + 15y = 85 + 5y

Solving
5 + 15y = 85 + 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.
5 + 15y + -5y = 85 + 5y + -5y

Combine like terms: 15y + -5y = 10y
5 + 10y = 85 + 5y + -5y

Combine like terms: 5y + -5y = 0
5 + 10y = 85 + 0
5 + 10y = 85

Add '-5' to each side of the equation.
5 + -5 + 10y = 85 + -5

Combine like terms: 5 + -5 = 0
0 + 10y = 85 + -5
10y = 85 + -5

Combine like terms: 85 + -5 = 80
10y = 80

Divide each side by '10'.
y = 8

Simplifying
y = 8

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