15/a=4

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Solution for 15/a=4 equation: 


D( a )

a = 0

a = 0

a = 0

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

15/a = 4 // - 4

15/a-4 = 0

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

a^-1 = 4/15

-1 < 0

1/(a^1) = 4/15 // * a^1

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

15/4 = a^1

a = 15/4

a = 15/4

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