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86/3 = 6*x+(2/3)*x+2 // - 6*x+(2/3)*x+2
86/3-(6*x)-((2/3)*x)-2 = 0
(-2/3)*x-6*x+86/3-2 = 0
80/3-20/3*x = 0 // - 80/3
-20/3*x = -80/3 // : -20/3
x = -80/3/(-20/3)
x = 4
x = 4
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