3y+20=12-y

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


Simplifying
3y + 20 = 12 + -1y

Reorder the terms:
20 + 3y = 12 + -1y

Solving
20 + 3y = 12 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
20 + 3y + y = 12 + -1y + y

Combine like terms: 3y + y = 4y
20 + 4y = 12 + -1y + y

Combine like terms: -1y + y = 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 = -8
4y = -8

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

Simplifying
y = -2

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