x+1/2x=12 - solution

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Solution for x+1/2x=12 equation:

x in (-oo:+oo)

x+(1/2)*x = 12 // - 12

x+(1/2)*x-12 = 0

3/2*x-12 = 0 // + 12

3/2*x = 12 // : 3/2

x = 12/3/2

x = 8

x = 8

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