(100/x)-(16/4)=21

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Solution for (100/x)-(16/4)=21 equation: 



(100/x)-(16/4)=21

We move all terms to the left:

(100/x)-(16/4)-(21)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



determiningTheFunctionDomain
(100/x)-21-(16/4)=0

We add all the numbers together, and all the variables

(+100/x)-21-4=0

We add all the numbers together, and all the variables

(+100/x)-25=0

We get rid of parentheses

100/x-25=0

We multiply all the terms by the denominator


-25*x+100=0

We add all the numbers together, and all the variables

-25x+100=0

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

-25x=-100

x=-100/-25

x=+4

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