4r=-12/5

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Solution for 4r=-12/5 equation: 



4r=-12/5

We move all terms to the left:

4r-(-12/5)=0

We get rid of parentheses

4r+12/5=0

We multiply all the terms by the denominator


4r*5+12=0

Wy multiply elements

20r+12=0

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

20r=-12

r=-12/20

r=-3/5

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