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January 31, 2015

January 31, 2015

Posted by **Keisha** on Monday, September 12, 2011 at 7:14pm.

Side A= 21

Side B= 3x-2

Side A'= 15

Side B'= 2x+1

- geometry -
**Reiny**, Monday, September 12, 2011 at 7:17pmJust set up the proportion

(3x-2)/21 = (2+1)/15

cross-multiply and solve for x (I got x=17)

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