70/x+20/5

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Solution for 70/x+20/5 equation:


D( x )

x = 0

x = 0

x = 0

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

70/x+20/5 = 0

70*x^-1 = -4 // : 70

x^-1 = -2/35

-1 < 0

1/(x^1) = -2/35 // * x^1

1 = -2/35*x^1 // : -2/35

-35/2 = x^1

x = -35/2

x = -35/2

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