Posted by jacob on Tuesday, October 13, 2009 at 6:38pm.
x+x+5+2x+1

math  jacob, Tuesday, October 13, 2009 at 6:38pm
a+2a+103a

math  Jill, Tuesday, October 13, 2009 at 6:41pm
2x+5+2x+1
4x+5+1
4x+6 or 6+4x
I'm pretty sure that's right.

math  PsyDAG, Wednesday, October 14, 2009 at 11:52am
For the second problem, combine like terms. The a's cancel each other out (3a  3a = 0) leaving you with 10.
Jill is right.
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