2.8=7.4+b

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Solution for 2.8=7.4+b equation: 



2.8=7.4+b

We move all terms to the left:

2.8-(7.4+b)=0

We add all the numbers together, and all the variables

-(b+7.4)+2.8=0

We get rid of parentheses

-b-7.4+2.8=0

We add all the numbers together, and all the variables

-1b-4.6=0

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

-b=4.6

b=4.6/-1

b=-4+0.6/1

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