7=40/z-1=

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Solution for 7=40/z-1= equation: 



7=40/z-1=

We move all terms to the left:

7-(40/z-1)=0



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

z∈R



We get rid of parentheses

-40/z+1+7=0

We multiply all the terms by the denominator


1*z+7*z-40=0

We add all the numbers together, and all the variables

8z-40=0

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

8z=40

z=40/8

z=5

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