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March 4, 2015

March 4, 2015

Posted by **mike** on Sunday, October 31, 2010 at 11:49am.

- Algebra -
**PsyDAG**, Monday, November 1, 2010 at 12:46pmLet a = smaller and b = larger number.

a = b - 7

3a - 9 = b

Substitute b-7 for a in the second equation and solve for b. Put that value in the first equation to find a. To Check, put both values into the second equation.

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