5b=21+4b

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Solution for 5b=21+4b equation: 


Simplifying
5b = 21 + 4b

Solving
5b = 21 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
5b + -4b = 21 + 4b + -4b

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

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

Divide each side by '1'.
b = 21

Simplifying
b = 21

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