3x+9/7x=0

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Solution for 3x+9/7x=0 equation: 



3x+9/7x=0



Domain of the equation: 7x!=0

x!=0/7

x!=0

x∈R



We multiply all the terms by the denominator


3x*7x+9=0

Wy multiply elements

21x^2+9=0

a = 21; b = 0; c = +9;
Δ = b2-4ac
Δ = 02-4·21·9
Δ = -756
Delta is less than zero, so there is no solution for the equation

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