(1/7)x^3=-49

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Solution for (1/7)x^3=-49 equation: 


x in (-oo:+oo)

(1/7)*x^3 = -49 // + 49

(1/7)*x^3+49 = 0

1/7*x^3 = -49 // : 1/7

x^3 = -343

x^3 = -343 // ^ 1/3

x = -7

x = -7

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