9+(2/3x)=81 - solution

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Solution for 9+(2/3x)=81 equation:

x in (-oo:+oo)

(2/3)*x+9 = 81 // - 81

(2/3)*x-81+9 = 0

2/3*x-72 = 0 // + 72

2/3*x = 72 // : 2/3

x = 72/2/3

x = 108

x = 108

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