4=8/(5+z)

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Solution for 4=8/(5+z) equation: 



4=8/(5+z)

We move all terms to the left:

4-(8/(5+z))=0



Domain of the equation: (5+z))!=0

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

z)!=-5

z!=-5/1

z!=-5

z∈R



We add all the numbers together, and all the variables

-(8/(z+5))+4=0

We multiply all the terms by the denominator


-(8+4*(z+5))=0



We calculate terms in parentheses: -(8+4*(z+5)), so:

8+4*(z+5)

determiningTheFunctionDomain
4*(z+5)+8

We multiply parentheses

4z+20+8

We add all the numbers together, and all the variables

4z+28

Back to the equation:

-(4z+28)



We get rid of parentheses

-4z-28=0

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

-4z=28

z=28/-4

z=-7

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