15b-9b+b-6b=20

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Solution for 15b-9b+b-6b=20 equation: 


Simplifying
15b + -9b + b + -6b = 20

Combine like terms: 15b + -9b = 6b
6b + b + -6b = 20

Combine like terms: 6b + b = 7b
7b + -6b = 20

Combine like terms: 7b + -6b = 1b
1b = 20

Solving
1b = 20

Solving for variable 'b'.

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

Divide each side by '1'.
b = 20

Simplifying
b = 20

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