10/a=15/30

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Solution for 10/a=15/30 equation: 


D( a )

a = 0

a = 0

a = 0

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

10/a = 15/30 // - 15/30

10/a-(15/30) = 0

10/a-1/2 = 0

10*a^-1 = 1/2 // : 10

a^-1 = 1/20

-1 < 0

1/(a^1) = 1/20 // * a^1

1 = 1/20*a^1 // : 1/20

20 = a^1

a = 20

a = 20

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