12b-b-8b=15

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Solution for 12b-b-8b=15 equation: 


Simplifying
12b + -1b + -8b = 15

Combine like terms: 12b + -1b = 11b
11b + -8b = 15

Combine like terms: 11b + -8b = 3b
3b = 15

Solving
3b = 15

Solving for variable 'b'.

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

Divide each side by '3'.
b = 5

Simplifying
b = 5

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