9b-3b=84

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Solution for 9b-3b=84 equation: 


Simplifying
9b + -3b = 84

Combine like terms: 9b + -3b = 6b
6b = 84

Solving
6b = 84

Solving for variable 'b'.

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

Divide each side by '6'.
b = 14

Simplifying
b = 14

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