7z=-7(-2z+19)

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Solution for 7z=-7(-2z+19) equation: 



7z=-7(-2z+19)

We move all terms to the left:

7z-(-7(-2z+19))=0



We calculate terms in parentheses: -(-7(-2z+19)), so:

-7(-2z+19)

We multiply parentheses

14z-133

Back to the equation:

-(14z-133)



We get rid of parentheses

7z-14z+133=0

We add all the numbers together, and all the variables

-7z+133=0

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

-7z=-133

z=-133/-7

z=+19

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