X+12=18-3x

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Solution for X+12=18-3x equation: 


Simplifying
X + 12 = 18 + -3x

Reorder the terms:
12 + X = 18 + -3x

Solving
12 + X = 18 + -3x

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + X = 18 + -12 + -3x

Combine like terms: 12 + -12 = 0
0 + X = 18 + -12 + -3x
X = 18 + -12 + -3x

Combine like terms: 18 + -12 = 6
X = 6 + -3x

Simplifying
X = 6 + -3x

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