12x+3x=3x+12x

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


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

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

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

Add '-15x' to each side of the equation.
15x + -15x = 15x + -15x

Combine like terms: 15x + -15x = 0
0 = 15x + -15x

Combine like terms: 15x + -15x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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