30=x+x+8 - solution

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Solution for 30=x+x+8 equation:

x in (-oo:+oo)

30 = x+x+8 // - x+x+8

30-x-x-8 = 0

22-2*x = 0 // - 22

-2*x = -22 // : -2

x = -22/(-2)

x = 11

x = 11

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