1=4/(Z+4)

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Solution for 1=4/(Z+4) equation: 


D( Z )

Z+4 = 0

Z+4 = 0

Z+4 = 0

Z+4 = 0 // - 4

Z = -4

Z in (-oo:-4) U (-4:+oo)

1 = 4/(Z+4) // - 4/(Z+4)

1-(4/(Z+4)) = 0

1-4*(Z+4)^-1 = 0

1-4/(Z+4) = 0

(1*(Z+4))/(Z+4)-4/(Z+4) = 0

1*(Z+4)-4 = 0

Z = 0

Z/(Z+4) = 0

Z/(Z+4) = 0 // * Z+4

Z = 0

Z = 0

Z = 0

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