21/g=7

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Solution for 21/g=7 equation: 


D( g )

g = 0

g = 0

g = 0

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

21/g = 7 // - 7

21/g-7 = 0

21*g^-1 = 7 // : 21

g^-1 = 1/3

-1 < 0

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

1 = 1/3*g^1 // : 1/3

3 = g^1

g = 3

g = 3

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