20=4-(z+8)

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Solution for 20=4-(z+8) equation: 



20=4-(z+8)

We move all terms to the left:

20-(4-(z+8))=0



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

4-(z+8)

determiningTheFunctionDomain
-(z+8)+4

We get rid of parentheses

-z-8+4

We add all the numbers together, and all the variables

-1z-4

Back to the equation:

-(-1z-4)



We get rid of parentheses

1z+4+20=0

We add all the numbers together, and all the variables

z+24=0

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

z=-24

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