3b+b=72

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Solution for 3b+b=72 equation: 


Simplifying
3b + b = 72

Combine like terms: 3b + b = 4b
4b = 72

Solving
4b = 72

Solving for variable 'b'.

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

Divide each side by '4'.
b = 18

Simplifying
b = 18

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