8/(21+x)=1/3

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Solution for 8/(21+x)=1/3 equation: 



8/(21+x)=1/3

We move all terms to the left:

8/(21+x)-(1/3)=0



Domain of the equation: (21+x)!=0

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

x!=-21

x∈R



We add all the numbers together, and all the variables

8/(x+21)-(+1/3)=0

We get rid of parentheses

8/(x+21)-1/3=0

We calculate fractions

There is no solution for this equation

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