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29-09-2016
Mathematics

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20 less than 8 times a number is the same as 15 more than the number

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Аноним Аноним

29-09-2016

8n-20=15+n
n=5

20 less than 8 times a number = 8(n)-20 same as (=) 15 more (+) than a number(n) 15+n

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