alondragarcia59 alondragarcia59

27-08-2016
Mathematics

contestada

5k – 3(2k – ) – 9 = 0

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malachijavon malachijavon

27-08-2016

The answer is K = 9

5K-3(2K-)-9=0
5K-6K+9=0
-K=-9
K=9

Checking my answer:
5K-3(2K-)-9=0
5(9)-3(2(9)-)-9=0
45-3(18)+9=0
45-54+9=0
-9+9=0
0=0

Hope this helps.

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