4y+20=12

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Solution for 4y+20=12 equation: 


Simplifying
4y + 20 = 12

Reorder the terms:
20 + 4y = 12

Solving
20 + 4y = 12

Solving for variable 'y'.

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

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 = -8
4y = -8

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

Simplifying
y = -2

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