3y+12=20-y

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


Simplifying
3y + 12 = 20 + -1y

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

Solving
12 + 3y = 20 + -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.
12 + 3y + y = 20 + -1y + y

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

Combine like terms: -1y + y = 0
12 + 4y = 20 + 0
12 + 4y = 20

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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