2y-8=20-2y-12

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Solution for 2y-8=20-2y-12 equation:


Simplifying
2y + -8 = 20 + -2y + -12

Reorder the terms:
-8 + 2y = 20 + -2y + -12

Reorder the terms:
-8 + 2y = 20 + -12 + -2y

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

Solving
-8 + 2y = 8 + -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 + 2y + 2y = 8 + -2y + 2y

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

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

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

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

Combine like terms: 8 + 8 = 16
4y = 16

Divide each side by '4'.
y = 4

Simplifying
y = 4

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