3/a=7

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Solution for 3/a=7 equation: 


D( a )

a = 0

a = 0

a = 0

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

3/a = 7 // - 7

3/a-7 = 0

3*a^-1 = 7 // : 3

a^-1 = 7/3

-1 < 0

1/(a^1) = 7/3 // * a^1

1 = 7/3*a^1 // : 7/3

3/7 = a^1

a = 3/7

a = 3/7

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