5/x+7=8

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Solution for 5/x+7=8 equation: 


D( x )

x = 0

x = 0

x = 0

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

5/x+7 = 8 // - 8

5/x-8+7 = 0

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

x^-1 = 1/5

-1 < 0

1/(x^1) = 1/5 // * x^1

1 = 1/5*x^1 // : 1/5

5 = x^1

x = 5

x = 5

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