12-4y=20

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Solution for 12-4y=20 equation: 


Simplifying
12 + -4y = 20

Solving
12 + -4y = 20

Solving for variable 'y'.

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

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

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

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

Divide each side by '-4'.
y = -2

Simplifying
y = -2

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