-2.7=b-3.9

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Solution for -2.7=b-3.9 equation: 



-2.7=b-3.9

We move all terms to the left:

-2.7-(b-3.9)=0

We get rid of parentheses

-b+3.9-2.7=0

We add all the numbers together, and all the variables

-1b+1.2=0

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

-b=-1.2

b=-1.2/-1

b=1+0.2/1

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