2.8=0.4b

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Solution for 2.8=0.4b equation: 



2.8=0.4b

We move all terms to the left:

2.8-(0.4b)=0

We add all the numbers together, and all the variables

-(+0.4b)+2.8=0

We get rid of parentheses

-0.4b+2.8=0

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

-0.4b=-2.8

b=-2.8/-0.4

b=6+0.4/0.4

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