1/a-7=3

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Solution for 1/a-7=3 equation: 


D( a )

a = 0

a = 0

a = 0

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

1/a-7 = 3 // - 3

1/a-7-3 = 0

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

a^-1 = 10

-1 < 0

1/(a^1) = 10 // * a^1

1 = 10*a^1 // : 10

1/10 = a^1

a = 1/10

a = 1/10

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