8=2.9+b

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Solution for 8=2.9+b equation: 



8=2.9+b

We move all terms to the left:

8-(2.9+b)=0

We add all the numbers together, and all the variables

-(b+2.9)+8=0

We get rid of parentheses

-b-2.9+8=0

We add all the numbers together, and all the variables

-1b+5.1=0

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

-b=-5.1

b=-5.1/-1

b=5+0.1/1

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