15=7+b/2

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Solution for 15=7+b/2 equation: 



15=7+b/2

We move all terms to the left:

15-(7+b/2)=0

We add all the numbers together, and all the variables

-(b/2+7)+15=0

We get rid of parentheses

-b/2-7+15=0

We multiply all the terms by the denominator


-b-7*2+15*2=0

We add all the numbers together, and all the variables

-1b+16=0

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

-b=-16

b=-16/-1

b=+16

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