12/x+7=4/5

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Solution for 12/x+7=4/5 equation: 


D( x )

x = 0

x = 0

x = 0

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

12/x+7 = 4/5 // - 4/5

12/x-(4/5)+7 = 0

12/x-4/5+7 = 0

12*x^-1 = -31/5 // : 12

x^-1 = -31/60

-1 < 0

1/(x^1) = -31/60 // * x^1

1 = -31/60*x^1 // : -31/60

-60/31 = x^1

x = -60/31

x = -60/31

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