8b+5=21

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Solution for 8b+5=21 equation: 


Simplifying
8b + 5 = 21

Reorder the terms:
5 + 8b = 21

Solving
5 + 8b = 21

Solving for variable 'b'.

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

Add '-5' to each side of the equation.
5 + -5 + 8b = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 8b = 21 + -5
8b = 21 + -5

Combine like terms: 21 + -5 = 16
8b = 16

Divide each side by '8'.
b = 2

Simplifying
b = 2

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