dglenn14 dglenn14

21-10-2014
Mathematics

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-18-6k=6(1+3k)...what is the value of k

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anniedavies96 anniedavies96

21-10-2014

-18 - 6k = 6(1 + 3k)
-18 -6k = 6 + 18k
24k = -24
k = -1

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styles2 styles2

21-10-2014

-18 - 6k = 6(1 + 3k)
-18 - 6k = 6 + 18k
-18 - 6 - 6k = 6 - 6 + 18k
-24 - 6k = 18k
-24 -6k + 6k = 18k + 6k
-24 = 24k
-24/-24 = 24k/-24
1 = -k
-1 = k
k = -1

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