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3 February, 13:41

What's the difference of 9 (2k-4) and - 2 (7k-12)

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  1. 3 February, 15:40
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    9 (2k - 4) = 18k - 36 / / Multiply 9 to both 2k and 4

    -2 (7k - 12) = - 14k + 24 / / Multiply - 2 to both 7k and - 12

    18k - 36 - (-14k + 24) = 18k - 36 + 14k - 24 / / Don't forget to distribute the negative to both - 14k and 24

    32k - 60 / / Answer
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