30=-5x/9x

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Solution for 30=-5x/9x equation: 


x in (-oo:+oo)

30 = ((-5*x)/9)*x // - ((-5*x)/9)*x

30-(((-5*x)/9)*x) = 0

(5/9)*x^2+30 = 0

5/9*x^2 = -30 // : 5/9

x^2 = -54

x belongs to the empty set

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