30/a=15

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Solution for 30/a=15 equation: 


D( a )

a = 0

a = 0

a = 0

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

30/a = 15 // - 15

30/a-15 = 0

30*a^-1 = 15 // : 30

a^-1 = 1/2

-1 < 0

1/(a^1) = 1/2 // * a^1

1 = 1/2*a^1 // : 1/2

2 = a^1

a = 2

a = 2

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