21-08-2017
Mathematics

contestada

10 times the sum of half a number and 6 is 8

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jordanmelis jordanmelis

21-08-2017

the value of the unknown number is 5/58

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anaguzman anaguzman

21-08-2017

Le the number be 'n'
half of 'n' = n/2
Sum = n/2 + 6
Ten times = 10(n/2 + 6) =
Equals 10(n/2 + 6) = 8

Multiply out the brackets
10n /2 + 60 = 8
5n + 60 = 8
5n = 8 - 60
5n= -52
n = -10. 4

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