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December 22, 2014

December 22, 2014

Posted by **kennedy** on Thursday, September 11, 2008 at 6:30pm.

-4(k-2)+3(k+1) =7.

- discrete math -
**Quidditch**, Thursday, September 11, 2008 at 7:00pmMultiply out all the terms

-4(k-2) + 3(k+1)=7

-4k + 8 + 3k + 3 = 7

Now combine like terms (all k's and all numbers)

-1k + 11 = 7

11 - 7 = k

So,

k = ?

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