15b-2b-8b=20

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Solution for 15b-2b-8b=20 equation: 


Simplifying
15b + -2b + -8b = 20

Combine like terms: 15b + -2b = 13b
13b + -8b = 20

Combine like terms: 13b + -8b = 5b
5b = 20

Solving
5b = 20

Solving for variable 'b'.

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

Divide each side by '5'.
b = 4

Simplifying
b = 4

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