21.2=b/8

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Solution for 21.2=b/8 equation: 



21.2=b/8

We move all terms to the left:

21.2-(b/8)=0

We add all the numbers together, and all the variables

-(+b/8)+21.2=0

We get rid of parentheses

-b/8+21.2=0

We multiply all the terms by the denominator


-b+(21.2)*8=0

We add all the numbers together, and all the variables

-1b+169.6=0

We move all terms containing b to the left, all other terms to the right

-b=-169.6

b=-169.6/-1

b=169+0.59999999999999/1

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