4.5=9b-7.2

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Solution for 4.5=9b-7.2 equation: 



4.5=9b-7.2

We move all terms to the left:

4.5-(9b-7.2)=0

We get rid of parentheses

-9b+7.2+4.5=0

We add all the numbers together, and all the variables

-9b+11.7=0

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

-9b=-11.7

b=-11.7/-9

b=1+2.7/9

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