Answers

2014-10-23T17:30:36+08:00
3a+8b-4c asdfghjkasdfghjk :D
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2014-10-23T18:02:00+08:00
Simplify
2a-3b+2c-5a+5b-2c
2a+-3b+2c
combine like terms
=2a+-3b+2c+-5a+5b+-2c
=(2a+5a)+(-3b+5b)+(2c+-2c)
=(-3a)+2b

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