b+13-b-8=7

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Solution for b+13-b-8=7 equation: 


Simplifying
b + 13 + -1b + -8 = 7

Reorder the terms:
13 + -8 + b + -1b = 7

Combine like terms: 13 + -8 = 5
5 + b + -1b = 7

Combine like terms: b + -1b = 0
5 + 0 = 7
5 = 7

Solving
5 = 7

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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