8y-9-4y+5=12y-4-5y

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Solution for 8y-9-4y+5=12y-4-5y equation: 


Simplifying
8y + -9 + -4y + 5 = 12y + -4 + -5y

Reorder the terms:
-9 + 5 + 8y + -4y = 12y + -4 + -5y

Combine like terms: -9 + 5 = -4
-4 + 8y + -4y = 12y + -4 + -5y

Combine like terms: 8y + -4y = 4y
-4 + 4y = 12y + -4 + -5y

Reorder the terms:
-4 + 4y = -4 + 12y + -5y

Combine like terms: 12y + -5y = 7y
-4 + 4y = -4 + 7y

Add '4' to each side of the equation.
-4 + 4 + 4y = -4 + 4 + 7y

Combine like terms: -4 + 4 = 0
0 + 4y = -4 + 4 + 7y
4y = -4 + 4 + 7y

Combine like terms: -4 + 4 = 0
4y = 0 + 7y
4y = 7y

Solving
4y = 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
4y + -7y = 7y + -7y

Combine like terms: 4y + -7y = -3y
-3y = 7y + -7y

Combine like terms: 7y + -7y = 0
-3y = 0

Divide each side by '-3'.
y = 0

Simplifying
y = 0

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