x+7+5=x

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Solution for x+7+5=x equation: 


Simplifying
x + 7 + 5 = x

Reorder the terms:
7 + 5 + x = x

Combine like terms: 7 + 5 = 12
12 + x = x

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

Combine like terms: x + -1x = 0
12 + 0 = x + -1x
12 = x + -1x

Combine like terms: x + -1x = 0
12 = 0

Solving
12 = 0

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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