31/2=3x+x-1/2

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Solution for 31/2=3x+x-1/2 equation: 


x in (-oo:+oo)

31/2 = 3*x+x-(1/2) // - 3*x+x-(1/2)

31/2-(3*x)-x+1/2 = 0

31/2-3*x-x+1/2 = 0

16-4*x = 0 // - 16

-4*x = -16 // : -4

x = -16/(-4)

x = 4

x = 4

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