7x4/9=-5 - solution

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Solution for 7x4/9=-5 equation:

x in (-oo:+oo)

(7*x^4)/9 = -5 // + 5

(7*x^4)/9+5 = 0

7/9*x^4 = -5 // : 7/9

x^4 = -45/7

x belongs to the empty set

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