12+3x-3=

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Solution for 12+3x-3= equation: 


Simplifying
12 + 3x + -3 = 0

Reorder the terms:
12 + -3 + 3x = 0

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

Solving
9 + 3x = 0

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 + 3x = 0 + -9

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

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

Divide each side by '3'.
x = -3

Simplifying
x = -3

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