b+8=7

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Solution for b+8=7 equation: 


Simplifying
b + 8 = 7

Reorder the terms:
8 + b = 7

Solving
8 + b = 7

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

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

Combine like terms: 8 + -8 = 0
0 + b = 7 + -8
b = 7 + -8

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

Simplifying
b = -1

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