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October 22, 2014

October 22, 2014

Posted by **Emi** on Saturday, January 12, 2013 at 6:57pm.

- MATH -
**Emma**, Saturday, January 12, 2013 at 7:02pmFirst, you combine like-terms.

11w-9-7w=15

11w minus 7w is 4w

4w-9=15

add 9 to each side

4w=24

divide each side by 4

w= ?

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