7y-20=3y+12

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Solution for 7y-20=3y+12 equation:


Simplifying
7y + -20 = 3y + 12

Reorder the terms:
-20 + 7y = 3y + 12

Reorder the terms:
-20 + 7y = 12 + 3y

Solving
-20 + 7y = 12 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-20 + 7y + -3y = 12 + 3y + -3y

Combine like terms: 7y + -3y = 4y
-20 + 4y = 12 + 3y + -3y

Combine like terms: 3y + -3y = 0
-20 + 4y = 12 + 0
-20 + 4y = 12

Add '20' to each side of the equation.
-20 + 20 + 4y = 12 + 20

Combine like terms: -20 + 20 = 0
0 + 4y = 12 + 20
4y = 12 + 20

Combine like terms: 12 + 20 = 32
4y = 32

Divide each side by '4'.
y = 8

Simplifying
y = 8

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