5/4r=20

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Solution for 5/4r=20 equation: 



5/4r=20

We move all terms to the left:

5/4r-(20)=0



Domain of the equation: 4r!=0

r!=0/4

r!=0

r∈R



We multiply all the terms by the denominator


-20*4r+5=0

Wy multiply elements

-80r+5=0

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

-80r=-5

r=-5/-80

r=1/16

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