3b=40+b

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Solution for 3b=40+b equation: 


Simplifying
3b = 40 + b

Solving
3b = 40 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
3b + -1b = 40 + b + -1b

Combine like terms: 3b + -1b = 2b
2b = 40 + b + -1b

Combine like terms: b + -1b = 0
2b = 40 + 0
2b = 40

Divide each side by '2'.
b = 20

Simplifying
b = 20

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