21/y=11/47-8

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Solution for 21/y=11/47-8 equation: 


D( y )

y = 0

y = 0

y = 0

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

21/y = 11/47-8 // - 11/47-8

21/y-(11/47)+8 = 0

21/y-11/47+8 = 0

21*y^-1 = -365/47 // : 21

y^-1 = -365/987

-1 < 0

1/(y^1) = -365/987 // * y^1

1 = -365/987*y^1 // : -365/987

-987/365 = y^1

y = -987/365

y = -987/365

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