20=b/9

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Solution for 20=b/9 equation: 



20=b/9

We move all terms to the left:

20-(b/9)=0

We add all the numbers together, and all the variables

-(+b/9)+20=0

We get rid of parentheses

-b/9+20=0

We multiply all the terms by the denominator


-b+20*9=0

We add all the numbers together, and all the variables

-1b+180=0

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

-b=-180

b=-180/-1

b=+180

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