-7z+7-10z=-3(8z+7)

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Solution for -7z+7-10z=-3(8z+7) equation: 



-7z+7-10z=-3(8z+7)

We move all terms to the left:

-7z+7-10z-(-3(8z+7))=0

We add all the numbers together, and all the variables

-17z-(-3(8z+7))+7=0



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

-3(8z+7)

We multiply parentheses

-24z-21

Back to the equation:

-(-24z-21)



We get rid of parentheses

-17z+24z+21+7=0

We add all the numbers together, and all the variables

7z+28=0

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

7z=-28

z=-28/7

z=-4

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