7x/x*x-4 - solution

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Solution for 7x/x*x-4 equation:

D( x )

x = 0

x = 0

x = 0

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

((7*x)/x)*x-4 = 0

7*x-4 = 0 // + 4

7*x = 4 // : 7

x = 4/7

x = 4/7

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