B-2.8=0.8b+1.2=b=

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Solution for B-2.8=0.8b+1.2=b= equation: 



-2.8=0.8B+1.2=B=

We move all terms to the left:

-2.8-(0.8B+1.2)=0

We get rid of parentheses

-0.8B-1.2-2.8=0

We add all the numbers together, and all the variables

-0.8B-4=0

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

-0.8B=4

B=4/-0.8

B=-5

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