7/p=4/9

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Solution for 7/p=4/9 equation: 


D( p )

p = 0

p = 0

p = 0

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

7/p = 4/9 // - 4/9

7/p-(4/9) = 0

7/p-4/9 = 0

7*p^-1 = 4/9 // : 7

p^-1 = 4/63

-1 < 0

1/(p^1) = 4/63 // * p^1

1 = 4/63*p^1 // : 4/63

63/4 = p^1

p = 63/4

p = 63/4

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