x-3x=x-3x

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


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

Combine like terms: x + -3x = -2x
-2x = x + -3x

Combine like terms: x + -3x = -2x
-2x = -2x

Add '2x' to each side of the equation.
-2x + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
0 = -2x + 2x

Combine like terms: -2x + 2x = 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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