(6/8r^3)-(7/9)

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Solution for (6/8r^3)-(7/9) equation: 


r in (-oo:+oo)

(6/8)*r^3-(7/9) = 0

(6/8)*r^3-7/9 = 0

3/4*r^3 = 7/9 // : 3/4

r^3 = 28/27

r^3 = 28/27 // ^ 1/3

r = (28/27)^(1/3)

r = (28/27)^(1/3)

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