20/a=15/4

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Solution for 20/a=15/4 equation: 


D( a )

a = 0

a = 0

a = 0

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

20/a = 15/4 // - 15/4

20/a-(15/4) = 0

20/a-15/4 = 0

20*a^-1 = 15/4 // : 20

a^-1 = 3/16

-1 < 0

1/(a^1) = 3/16 // * a^1

1 = 3/16*a^1 // : 3/16

16/3 = a^1

a = 16/3

a = 16/3

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