b+4=b-8

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Solution for b+4=b-8 equation: 


Simplifying
b + 4 = b + -8

Reorder the terms:
4 + b = b + -8

Reorder the terms:
4 + b = -8 + b

Add '-1b' to each side of the equation.
4 + b + -1b = -8 + b + -1b

Combine like terms: b + -1b = 0
4 + 0 = -8 + b + -1b
4 = -8 + b + -1b

Combine like terms: b + -1b = 0
4 = -8 + 0
4 = -8

Solving
4 = -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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