Did i do this right?? I dont look right @ all to me..

asked Jul 15, 2017 118k views

1 vote

7.7k points

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You didn't, you mistook the 9 to be a like term with 7k.
What yo actually have to do is:
7k= 6k+9
-6k -6k
k=9

Hope this helps :)

Luke Tan answered Jul 21, 2017

7.3k points

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