7/x=-21

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Solution for 7/x=-21 equation: 



7/x=-21

We move all terms to the left:

7/x-(-21)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

7/x+21=0

We multiply all the terms by the denominator


21*x+7=0

We add all the numbers together, and all the variables

21x+7=0

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

21x=-7

x=-7/21

x=-1/3

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