3x+12=x-12

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


Simplifying
3x + 12 = x + -12

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

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

Solving
12 + 3x = -12 + x

Solving for variable 'x'.

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

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

Combine like terms: 3x + -1x = 2x
12 + 2x = -12 + x + -1x

Combine like terms: x + -1x = 0
12 + 2x = -12 + 0
12 + 2x = -12

Add '-12' to each side of the equation.
12 + -12 + 2x = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = -12 + -12
2x = -12 + -12

Combine like terms: -12 + -12 = -24
2x = -24

Divide each side by '2'.
x = -12

Simplifying
x = -12

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