75/a=20/24

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Solution for 75/a=20/24 equation: 


D( a )

a = 0

a = 0

a = 0

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

75/a = 20/24 // - 20/24

75/a-(20/24) = 0

75/a-5/6 = 0

75*a^-1 = 5/6 // : 75

a^-1 = 1/90

-1 < 0

1/(a^1) = 1/90 // * a^1

1 = 1/90*a^1 // : 1/90

90 = a^1

a = 90

a = 90

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