x+12=132-3x

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Solution for x+12=132-3x equation:


Simplifying
x + 12 = 132 + -3x

Reorder the terms:
12 + x = 132 + -3x

Solving
12 + x = 132 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
12 + x + 3x = 132 + -3x + 3x

Combine like terms: x + 3x = 4x
12 + 4x = 132 + -3x + 3x

Combine like terms: -3x + 3x = 0
12 + 4x = 132 + 0
12 + 4x = 132

Add '-12' to each side of the equation.
12 + -12 + 4x = 132 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 132 + -12
4x = 132 + -12

Combine like terms: 132 + -12 = 120
4x = 120

Divide each side by '4'.
x = 30

Simplifying
x = 30

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