x+1/2x=9

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Solution for x+1/2x=9 equation: 


x in (-oo:+oo)

x+(1/2)*x = 9 // - 9

x+(1/2)*x-9 = 0

3/2*x-9 = 0 // + 9

3/2*x = 9 // : 3/2

x = 9/3/2

x = 6

x = 6

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