20(2.5/r)=74

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Solution for 20(2.5/r)=74 equation: 



20(2.5/r)=74

We move all terms to the left:

20(2.5/r)-(74)=0



Domain of the equation: r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

20(+2.5/r)-74=0

We multiply parentheses

40r-74=0

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

40r=74

r=74/40

r=1+17/20

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