8-(-b/2)=-13

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Solution for 8-(-b/2)=-13 equation: 



8-(-b/2)=-13

We move all terms to the left:

8-(-b/2)-(-13)=0

We add all the numbers together, and all the variables

-(-b/2)+21=0

We get rid of parentheses

b/2+21=0

We multiply all the terms by the denominator


b+21*2=0

We add all the numbers together, and all the variables

b+42=0

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

b=-42

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