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2 years ago

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

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pav-90 [236]2 years ago

7 0

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

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