Posted by **Hannie** on Tuesday, July 22, 2008 at 2:53am.

-6 divide n = -9 and 5 over 6

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**Hannie**, Tuesday, July 22, 2008 at 2:59am
What numbers have no recrpricol?

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**Hannie**, Tuesday, July 22, 2008 at 3:00am
The product of -7 over 12 and a mystery number is -1 over 2. What is the number?

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**Hannie**, Tuesday, July 22, 2008 at 3:08am
Can anyone help mee?

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**drwls**, Tuesday, July 22, 2008 at 6:09am
Zero has no reciprocal. The reciprocal of 1 is 1. The reciprocal of -1 is -1.

If -7x/12 = -1/2, then

-12 = -14x

x = 6/7

I did the first one in a different post

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