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February 28, 2015

February 28, 2015

Posted by **mike** on Sunday, October 31, 2010 at 10:12am.

- ALgebra -
**Bosnian**, Sunday, October 31, 2010 at 11:05ama-b=7 , a=7+b

a+b=25

(7+b)+b=25 (Becouse a=7+b)

7+2b=25

2b=25-7

2b=18 Divided with

b=(18/2)=9

a=7+b=7+9=16

a=16 , b=9

a-b=16-9=7

a+b=16+9=25

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