x^2+2x=x^2+2x

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Solution for x^2+2x=x^2+2x equation: 


Simplifying
x2 + 2x = x2 + 2x

Reorder the terms:
2x + x2 = x2 + 2x

Reorder the terms:
2x + x2 = 2x + x2

Add '-2x' to each side of the equation.
2x + -2x + x2 = 2x + -2x + x2

Combine like terms: 2x + -2x = 0
0 + x2 = 2x + -2x + x2
x2 = 2x + -2x + x2

Combine like terms: 2x + -2x = 0
x2 = 0 + x2
x2 = x2

Add '-1x2' to each side of the equation.
x2 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0 = x2 + -1x2

Combine like terms: x2 + -1x2 = 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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