3=2b+1

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Solution for 3=2b+1 equation: 



3=2b+1

We move all terms to the left:

3-(2b+1)=0

We get rid of parentheses

-2b-1+3=0

We add all the numbers together, and all the variables

-2b+2=0

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

-2b=-2

b=-2/-2

b=1

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