5y-4+y+12=7y+20-5y

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Solution for 5y-4+y+12=7y+20-5y equation: 


Simplifying
5y + -4 + y + 12 = 7y + 20 + -5y

Reorder the terms:
-4 + 12 + 5y + y = 7y + 20 + -5y

Combine like terms: -4 + 12 = 8
8 + 5y + y = 7y + 20 + -5y

Combine like terms: 5y + y = 6y
8 + 6y = 7y + 20 + -5y

Reorder the terms:
8 + 6y = 20 + 7y + -5y

Combine like terms: 7y + -5y = 2y
8 + 6y = 20 + 2y

Solving
8 + 6y = 20 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
8 + 6y + -2y = 20 + 2y + -2y

Combine like terms: 6y + -2y = 4y
8 + 4y = 20 + 2y + -2y

Combine like terms: 2y + -2y = 0
8 + 4y = 20 + 0
8 + 4y = 20

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

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

Combine like terms: 20 + -8 = 12
4y = 12

Divide each side by '4'.
y = 3

Simplifying
y = 3

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