X+9=-3x+12

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Solution for X+9=-3x+12 equation: 


Simplifying
X + 9 = -3x + 12

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

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

Solving
9 + X = 12 + -3x

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + -9 + X = 12 + -9 + -3x

Combine like terms: 9 + -9 = 0
0 + X = 12 + -9 + -3x
X = 12 + -9 + -3x

Combine like terms: 12 + -9 = 3
X = 3 + -3x

Simplifying
X = 3 + -3x

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