-1=13/7z

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Solution for -1=13/7z equation: 



-1=13/7z

We move all terms to the left:

-1-(13/7z)=0



Domain of the equation: 7z)!=0

z!=0/1

z!=0

z∈R



We add all the numbers together, and all the variables

-(+13/7z)-1=0

We get rid of parentheses

-13/7z-1=0

We multiply all the terms by the denominator


-1*7z-13=0

Wy multiply elements

-7z-13=0

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

-7z=13

z=13/-7

z=-1+6/7

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