(3z+6)=90

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Solution for (3z+6)=90 equation: 



(3z+6)=90

We move all terms to the left:

(3z+6)-(90)=0

We get rid of parentheses

3z+6-90=0

We add all the numbers together, and all the variables

3z-84=0

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

3z=84

z=84/3

z=28

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