7=4+2b

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Solution for 7=4+2b equation: 



7=4+2b

We move all terms to the left:

7-(4+2b)=0

We add all the numbers together, and all the variables

-(2b+4)+7=0

We get rid of parentheses

-2b-4+7=0

We add all the numbers together, and all the variables

-2b+3=0

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

-2b=-3

b=-3/-2

b=1+1/2

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