4+(2/5)r=-2

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



4+(2/5)r=-2

We move all terms to the left:

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



Domain of the equation: 5)r!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

(+2/5)r+6=0

We multiply parentheses

2r^2+6=0

a = 2; b = 0; c = +6;
Δ = b2-4ac
Δ = 02-4·2·6
Δ = -48
Delta is less than zero, so there is no solution for the equation

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