x/2+3=12-x - solution

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Solution for x/2+3=12-x equation:

x in (-oo:+oo)

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

x/2+x-12+3 = 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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