3y-12=y+8

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Solution for 3y-12=y+8 equation:


Simplifying
3y + -12 = y + 8

Reorder the terms:
-12 + 3y = y + 8

Reorder the terms:
-12 + 3y = 8 + y

Solving
-12 + 3y = 8 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-12 + 3y + -1y = 8 + y + -1y

Combine like terms: 3y + -1y = 2y
-12 + 2y = 8 + y + -1y

Combine like terms: y + -1y = 0
-12 + 2y = 8 + 0
-12 + 2y = 8

Add '12' to each side of the equation.
-12 + 12 + 2y = 8 + 12

Combine like terms: -12 + 12 = 0
0 + 2y = 8 + 12
2y = 8 + 12

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

Divide each side by '2'.
y = 10

Simplifying
y = 10

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