4+2/5r=-2

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Solution for 4+2/5r=-2 equation: 



4+2/5r=-2

We move all terms to the left:

4+2/5r-(-2)=0



Domain of the equation: 5r!=0

r!=0/5

r!=0

r∈R



We add all the numbers together, and all the variables

2/5r+6=0

We multiply all the terms by the denominator


6*5r+2=0

Wy multiply elements

30r+2=0

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

30r=-2

r=-2/30

r=-1/15

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