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September 21, 2014

September 21, 2014

Posted by **sharday** on Monday, November 7, 2011 at 2:14am.

- algebra -
**Bosnian**, Monday, November 7, 2011 at 7:15am-7 ( 11 - 4w ) - 15 w = -27- ( 50 - 13 w ) =

- 7 * 11 + 28 w - 15 w = - 27 - 50 + 13 w

( Remark : -7 * - 4 w = 28 w

- ( -13 w ) = 13 w )

-77 + 28 w - 15 w = - 27 - 50 + 13 w

28 w - 15 w - 13 w = - 27 - 50 + 77

0 = - 77 + 77

0 = 0

All values of w are solutions.

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