-7b=-5b-8b

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Solution for -7b=-5b-8b equation: 


Simplifying
-7b = -5b + -8b

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

Solving
-7b = -13b

Solving for variable 'b'.

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

Add '13b' to each side of the equation.
-7b + 13b = -13b + 13b

Combine like terms: -7b + 13b = 6b
6b = -13b + 13b

Combine like terms: -13b + 13b = 0
6b = 0

Divide each side by '6'.
b = 0

Simplifying
b = 0

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