20/5=12/Q

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Solution for 20/5=12/Q equation: 


D( Q )

Q = 0

Q = 0

Q = 0

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

20/5 = 12/Q // - 12/Q

20/5-(12/Q) = 0

20/5-12*Q^-1 = 0

-12*Q^-1 = -4 // : -12

Q^-1 = 1/3

-1 < 0

1/(Q^1) = 1/3 // * Q^1

1 = 1/3*Q^1 // : 1/3

3 = Q^1

Q = 3

Q = 3

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