3x=12x-3x

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


Simplifying
3x = 12x + -3x

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

Solving
3x = 9x

Solving for variable 'x'.

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

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

Combine like terms: 3x + -9x = -6x
-6x = 9x + -9x

Combine like terms: 9x + -9x = 0
-6x = 0

Divide each side by '-6'.
x = 0

Simplifying
x = 0

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