9B-3B=42

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Solution for 9B-3B=42 equation: 


Simplifying
9B + -3B = 42

Combine like terms: 9B + -3B = 6B
6B = 42

Solving
6B = 42

Solving for variable 'B'.

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

Divide each side by '6'.
B = 7

Simplifying
B = 7

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