7/z-4=9

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Solution for 7/z-4=9 equation: 



7/z-4=9

We move all terms to the left:

7/z-4-(9)=0



Domain of the equation: z!=0

z∈R



We add all the numbers together, and all the variables

7/z-13=0

We multiply all the terms by the denominator


-13*z+7=0

We add all the numbers together, and all the variables

-13z+7=0

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

-13z=-7

z=-7/-13

z=7/13

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