7/9=6/a

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Solution for 7/9=6/a equation: 


D( a )

a = 0

a = 0

a = 0

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

7/9 = 6/a // - 6/a

7/9-(6/a) = 0

7/9-6*a^-1 = 0

-6*a^-1 = -7/9 // : -6

a^-1 = 7/54

-1 < 0

1/(a^1) = 7/54 // * a^1

1 = 7/54*a^1 // : 7/54

54/7 = a^1

a = 54/7

a = 54/7

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