U=R/x-30

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Solution for U=R/x-30 equation: 



=/U-30

We move all terms to the left:

-(/U-30)=0



Domain of the equation: U-30)!=0

U∈R



We get rid of parentheses

-/U+30=0

We multiply all the terms by the denominator


30*U-=0

We add all the numbers together, and all the variables

30U=0

U=0/30

U=0

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