-1/7z+4=7

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Solution for -1/7z+4=7 equation: 



-1/7z+4=7

We move all terms to the left:

-1/7z+4-(7)=0



Domain of the equation: 7z!=0

z!=0/7

z!=0

z∈R



We add all the numbers together, and all the variables

-1/7z-3=0

We multiply all the terms by the denominator


-3*7z-1=0

Wy multiply elements

-21z-1=0

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

-21z=1

z=1/-21

z=-1/21

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