12x=3x-4

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Solution for 12x=3x-4 equation: 


Simplifying
12x = 3x + -4

Reorder the terms:
12x = -4 + 3x

Solving
12x = -4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
12x + -3x = -4 + 3x + -3x

Combine like terms: 12x + -3x = 9x
9x = -4 + 3x + -3x

Combine like terms: 3x + -3x = 0
9x = -4 + 0
9x = -4

Divide each side by '9'.
x = -0.4444444444

Simplifying
x = -0.4444444444

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