Tuesday

September 23, 2014

September 23, 2014

Posted by **Amelie** on Tuesday, September 22, 2009 at 4:37pm.

- Algebra -
**annaiiz**, Tuesday, September 22, 2009 at 5:18pmyou do whats in the brackets first

like 3y-(y+7)

you take out the parenthesis and then you subtract 3y-y+7=2y+7

now you have 6y-[2y+7]

now you take the brackets away

6y-2y+7=4y+7

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