4/x-3y=9

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Solution for 4/x-3y=9 equation: 


D( x )

x = 0

x = 0

x = 0

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

4/x-(3*y) = 9 // - 9

4/x-(3*y)-9 = 0

4/x-3*y-9 = 0

4*x^-1 = -(-3*y-9) // : 4

x^-1 = (9-(-3*y))/4

-1 < 0

1/(x^1) = (9-(-3*y))/4 // * x^1

1 = x^1*((9-(-3*y))/4) // : (9-(-3*y))/4

4*(3*y+9)^-1 = x^1

x = 4*(3*y+9)^-1

x = 4*(3*y+9)^-1

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