-7=2/z+1

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Solution for -7=2/z+1 equation: 



-7=2/z+1

We move all terms to the left:

-7-(2/z+1)=0



Domain of the equation: z+1)!=0

z∈R



We get rid of parentheses

-2/z-1-7=0

We multiply all the terms by the denominator


-1*z-7*z-2=0

We add all the numbers together, and all the variables

-8z-2=0

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

-8z=2

z=2/-8

z=-1/4

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