z=-13z(-7)

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Solution for z=-13z(-7) equation: 



z=-13z(-7)

We move all terms to the left:

z-(-13z(-7))=0



We calculate terms in parentheses: -(-13z(-7)), so:

-13z(-7)

We multiply parentheses

91z

Back to the equation:

-(91z)



We add all the numbers together, and all the variables

-90z=0

z=0/-90

z=0

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