-7z+3=-9(2z+7)

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Solution for -7z+3=-9(2z+7) equation: 



-7z+3=-9(2z+7)

We move all terms to the left:

-7z+3-(-9(2z+7))=0



We calculate terms in parentheses: -(-9(2z+7)), so:

-9(2z+7)

We multiply parentheses

-18z-63

Back to the equation:

-(-18z-63)



We get rid of parentheses

-7z+18z+63+3=0

We add all the numbers together, and all the variables

11z+66=0

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

11z=-66

z=-66/11

z=-6

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