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k=-7

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Q: K - 20 equals 2k - 13?
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What is the answer to 8k equals 6k - 26?

8k = 6k - 26 8k - 6k = 6k - 6k - 26 2k = -26 2k / 2 = -26 / 2 k = -13. The answer is k = -13.


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2k - 1 = 0 Add 1 to both sides: 2k = 1 Divide both sides by two: k = 0.5


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neg(-k) + neg(-k) = k + k = 2k = 4


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Let even be of the form 2k and odd be of the form 2k+1. Then odd * even becomes 2k*2k+1, or 4k^2 +2k. This can be written as 2(k^2 + k), which is of the form 2k. Therefore, odd X even equals even.


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==> 3k+14=k ==>3k-k=-14 ==>2k=-14 ==>k=-7 ans...


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