5=-5/4r

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Solution for 5=-5/4r equation: 



5=-5/4r

We move all terms to the left:

5-(-5/4r)=0



Domain of the equation: 4r)!=0

r!=0/1

r!=0

r∈R



We get rid of parentheses

5/4r+5=0

We multiply all the terms by the denominator


5*4r+5=0

Wy multiply elements

20r+5=0

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

20r=-5

r=-5/20

r=-1/4

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