0.4-3.2=1.2b

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Solution for 0.4-3.2=1.2b equation: 



0.4-3.2=1.2b

We move all terms to the left:

0.4-3.2-(1.2b)=0

We add all the numbers together, and all the variables

-(+1.2b)+0.4-3.2=0

We add all the numbers together, and all the variables

-(+1.2b)-2.8=0

We get rid of parentheses

-1.2b-2.8=0

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

-1.2b=2.8

b=2.8/-1.2

b=-2+0.4/1.2

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