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7k-4-4=10

Guest Feb 17, 2017
 #1
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7k-4-4 = 10

7k  - 8  = 10   now add 8 to both sides

7k = 18           now divide both sides by 7

k = 18/7 = 2 4/7

ElectricPavlov  Feb 17, 2017

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