13-02-2018
Mathematics

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subtract 60 from the sum of 8e and 20 when e=7

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13-02-2018

sum of 8e and 20 = 8e + 20

Subtract 60 ... = 8e + 20 - 60 = 8e - 40

When e = 7
8e - 40 = 8 (7) - 40 = 56 - 40 = 16

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