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January 31, 2015

January 31, 2015

Posted by **Lizzie** on Wednesday, August 31, 2011 at 7:15pm.

7z-4+6(2z-9)

- math -
**ALISON**, Wednesday, August 31, 2011 at 7:17pmUse PEMDAS for operations.

P-arentheis

E-xponents

M-ultiplication

D-ivision

A-ddition

S-ubtraction

So distribute the 6 first to 2z-9. And then combine like terms.

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