7-8/x=9

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Solution for 7-8/x=9 equation: 



7-8/x=9

We move all terms to the left:

7-8/x-(9)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

-8/x-2=0

We multiply all the terms by the denominator


-2*x-8=0

We add all the numbers together, and all the variables

-2x-8=0

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

-2x=8

x=8/-2

x=-4

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