13=4+x/2+x - solution

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Solution for 13=4+x/2+x equation:

x in (-oo:+oo)

13 = x/2+x+4 // - x/2+x+4

13-(x/2)-x-4 = 0

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

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

x = -9/(-3/2)

x = 6

x = 6

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