30=2(z+8)

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Solution for 30=2(z+8) equation: 



30=2(z+8)

We move all terms to the left:

30-(2(z+8))=0



We calculate terms in parentheses: -(2(z+8)), so:

2(z+8)

We multiply parentheses

2z+16

Back to the equation:

-(2z+16)



We get rid of parentheses

-2z-16+30=0

We add all the numbers together, and all the variables

-2z+14=0

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

-2z=-14

z=-14/-2

z=+7

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