x+7=8+x

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Solution for x+7=8+x equation: 


Simplifying
x + 7 = 8 + x

Reorder the terms:
7 + x = 8 + x

Add '-1x' to each side of the equation.
7 + x + -1x = 8 + x + -1x

Combine like terms: x + -1x = 0
7 + 0 = 8 + x + -1x
7 = 8 + x + -1x

Combine like terms: x + -1x = 0
7 = 8 + 0
7 = 8

Solving
7 = 8

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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