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Mathematics 9 Online
OpenStudy (anonymous):

-7(k+9)=9(k-5)-14k

jimthompson5910 (jim_thompson5910):

-7(k+9)=9(k-5)-14k -7k-63=9k-45-14k -7k-63=-5k-45 -7k=-5k-45+63 -7k+5k=-45+63 -2k=-45+63 -2k=18 k=18/(-2) k=-9

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