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January 31, 2015

January 31, 2015

Posted by **Joel** on Friday, October 12, 2012 at 10:33am.

Given: 7y = 8x – 14; y = 6

Prove: x = 7

- geometry -
**Reiny**, Friday, October 12, 2012 at 12:05pmIf a "two -column proof" looks something like this:

7y = 8x - 14, but y = 6

8x - 14 = 42

8x = 56

x = 7

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