4/q=2/7

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Solution for 4/q=2/7 equation: 


D( q )

q = 0

q = 0

q = 0

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

4/q = 2/7 // - 2/7

4/q-(2/7) = 0

4/q-2/7 = 0

4*q^-1 = 2/7 // : 4

q^-1 = 1/14

-1 < 0

1/(q^1) = 1/14 // * q^1

1 = 1/14*q^1 // : 1/14

14 = q^1

q = 14

q = 14

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