1/2x-9=3 - solution

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Solution for 1/2x-9=3 equation:

x in (-oo:+oo)

(1/2)*x-9 = 3 // - 3

(1/2)*x-9-3 = 0

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

1/2*x = 12 // : 1/2

x = 12/1/2

x = 24

x = 24

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