7/a=15

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Solution for 7/a=15 equation: 


D( a )

a = 0

a = 0

a = 0

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

7/a = 15 // - 15

7/a-15 = 0

7*a^-1 = 15 // : 7

a^-1 = 15/7

-1 < 0

1/(a^1) = 15/7 // * a^1

1 = 15/7*a^1 // : 15/7

7/15 = a^1

a = 7/15

a = 7/15

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