7=(8+z+2)

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Solution for 7=(8+z+2) equation: 



7=(8+z+2)

We move all terms to the left:

7-((8+z+2))=0

We add all the numbers together, and all the variables

-((z+10))+7=0



We calculate terms in parentheses: -((z+10)), so:

(z+10)

We get rid of parentheses

z+10

Back to the equation:

-(z+10)



We get rid of parentheses

-z-10+7=0

We add all the numbers together, and all the variables

-1z-3=0

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

-z=3

z=3/-1

z=-3

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