x+21=x+57

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Solution for x+21=x+57 equation: 


Simplifying
x + 21 = x + 57

Reorder the terms:
21 + x = x + 57

Reorder the terms:
21 + x = 57 + x

Add '-1x' to each side of the equation.
21 + x + -1x = 57 + x + -1x

Combine like terms: x + -1x = 0
21 + 0 = 57 + x + -1x
21 = 57 + x + -1x

Combine like terms: x + -1x = 0
21 = 57 + 0
21 = 57

Solving
21 = 57

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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