7y+12=5y+20

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


Simplifying
7y + 12 = 5y + 20

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

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

Solving
12 + 7y = 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.
12 + 7y + -5y = 20 + 5y + -5y

Combine like terms: 7y + -5y = 2y
12 + 2y = 20 + 5y + -5y

Combine like terms: 5y + -5y = 0
12 + 2y = 20 + 0
12 + 2y = 20

Add '-12' to each side of the equation.
12 + -12 + 2y = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 2y = 20 + -12
2y = 20 + -12

Combine like terms: 20 + -12 = 8
2y = 8

Divide each side by '2'.
y = 4

Simplifying
y = 4

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