X+12=3(-x)

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Solution for X+12=3(-x) equation: 


Simplifying
X + 12 = 3(-1x)

Reorder the terms:
12 + X = 3(-1x)

Remove parenthesis around (-1x)
12 + X = 3 * -1x

Multiply 3 * -1
12 + X = -3x

Solving
12 + X = -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 = -12 + -3x

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

Simplifying
X = -12 + -3x

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