7z-55=8+7(-5z+3)

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Solution for 7z-55=8+7(-5z+3) equation: 



7z-55=8+7(-5z+3)

We move all terms to the left:

7z-55-(8+7(-5z+3))=0



We calculate terms in parentheses: -(8+7(-5z+3)), so:

8+7(-5z+3)

determiningTheFunctionDomain
7(-5z+3)+8

We multiply parentheses

-35z+21+8

We add all the numbers together, and all the variables

-35z+29

Back to the equation:

-(-35z+29)



We get rid of parentheses

7z+35z-29-55=0

We add all the numbers together, and all the variables

42z-84=0

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

42z=84

z=84/42

z=2

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