Wednesday

July 23, 2014

July 23, 2014

Posted by **Anonymous** on Saturday, December 18, 2010 at 7:05pm.

- algebra -
**Damon**, Saturday, December 18, 2010 at 7:08pma + b = 20

a^2-b^2 = 120

(a+b)(a-b) = 120

20(a-b) = 120

a-b = 6

so

a+b = 20

a-b = 6

I bet you can solve that

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