5b=21+b

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Solution for 5b=21+b equation: 


Simplifying
5b = 21 + b

Solving
5b = 21 + 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.
5b + -1b = 21 + b + -1b

Combine like terms: 5b + -1b = 4b
4b = 21 + b + -1b

Combine like terms: b + -1b = 0
4b = 21 + 0
4b = 21

Divide each side by '4'.
b = 5.25

Simplifying
b = 5.25

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