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September 2, 2014

Homework Help: Pre Algebra 7th Grade

Posted by Maria on Thursday, September 4, 2008 at 8:44pm.

How do I simplify the following expressions by collecting like terms?

2x-9+x=?
6x-4j+3y=?
4x+15+2x-x+9+?
j-k-j+3k=
5r+3r+4rt=
7yz+yz=

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