9/a=81/10

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Solution for 9/a=81/10 equation: 


D( a )

a = 0

a = 0

a = 0

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

9/a = 81/10 // - 81/10

9/a-(81/10) = 0

9/a-81/10 = 0

9*a^-1 = 81/10 // : 9

a^-1 = 9/10

-1 < 0

1/(a^1) = 9/10 // * a^1

1 = 9/10*a^1 // : 9/10

10/9 = a^1

a = 10/9

a = 10/9

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