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05-09-2017
Mathematics

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−4=−(−k−86)+10 Enter your answer in the box. k = PLEASE EXPLAIN!!

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Аноним Аноним

05-09-2017

- 4 = - (-k - 86) + 10

- 4 - 10 = - (-k - 86) [ Subtract 10 from both sides ]

-14 = k + 85 [ Simplification and open the bracket ]

k = -14 -85 [ Subtract 85 from both sides ]

k = - 99 [ Simplification ]

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