(-2/5)x=4

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



(-2/5)x=4

We move all terms to the left:

(-2/5)x-(4)=0



Domain of the equation: 5)x!=0

x!=0/1

x!=0

x∈R



We multiply parentheses

-2x^2-4=0

a = -2; b = 0; c = -4;
Δ = b2-4ac
Δ = 02-4·(-2)·(-4)
Δ = -32
Delta is less than zero, so there is no solution for the equation

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