5/2*n=-20

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Solution for 5/2*n=-20 equation: 



5/2*n=-20

We move all terms to the left:

5/2*n-(-20)=0



Domain of the equation: 2*n!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

5/2*n+20=0

We multiply all the terms by the denominator


20*2*n+5=0

Wy multiply elements

40n*n+5=0

Wy multiply elements

40n^2+5=0

a = 40; b = 0; c = +5;
Δ = b2-4ac
Δ = 02-4·40·5
Δ = -800
Delta is less than zero, so there is no solution for the equation

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