100/x=1.21

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Solution for 100/x=1.21 equation: 



100/x=1.21

We move all terms to the left:

100/x-(1.21)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

100/x-1.21=0

We multiply all the terms by the denominator


-(1.21)*x+100=0

We multiply parentheses

-1.21x+100=0

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

-1.21x=-100

x=-100/-1.21

x=82+0.78/1.21

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