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July 23, 2014

July 23, 2014

Posted by **Kris** on Tuesday, February 24, 2009 at 7:05pm.

- Math -
**Brandon**, Tuesday, February 24, 2009 at 7:22pmThis is a hard one. What helps me is to read each part of the problem carefully. Write the numbers you think on a piece of paper. When you find out if it is wrong put an x next to it. This will narrow down the process.

- Math -
**Kris**, Tuesday, February 24, 2009 at 8:20pmi got the equations from my sister

a+d= 2b

b= c-2

d=2a

but what do i do next?

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