3x-2x/x=7x

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Solution for 3x-2x/x=7x equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

3*x-((2*x)/x) = 7*x // - 7*x

3*x-(7*x)-((2*x)/x) = 0

3*x-7*x-2 = 0

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

-4*x = 2 // : -4

x = 2/(-4)

x = -1/2

x = -1/2

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