9-x*1/2=13 - solution

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Solution for 9-x*1/2=13 equation:

x in (-oo:+oo)

9-((1*x)/2) = 13 // - 13

9-((1*x)/2)-13 = 0

9-(x/2)-13 = 0

-1/2*x-4 = 0 // + 4

-1/2*x = 4 // : -1/2

x = 4/(-1/2)

x = -8

x = -8

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