7=4+b/2

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Solution for 7=4+b/2 equation: 



7=4+b/2

We move all terms to the left:

7-(4+b/2)=0

We add all the numbers together, and all the variables

-(b/2+4)+7=0

We get rid of parentheses

-b/2-4+7=0

We multiply all the terms by the denominator


-b-4*2+7*2=0

We add all the numbers together, and all the variables

-1b+6=0

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

-b=-6

b=-6/-1

b=+6

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