12x+3x=3x-3

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


Simplifying
12x + 3x = 3x + -3

Combine like terms: 12x + 3x = 15x
15x = 3x + -3

Reorder the terms:
15x = -3 + 3x

Solving
15x = -3 + 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.
15x + -3x = -3 + 3x + -3x

Combine like terms: 15x + -3x = 12x
12x = -3 + 3x + -3x

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

Divide each side by '12'.
x = -0.25

Simplifying
x = -0.25

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