libmad libmad
  • 21-08-2017
  • Mathematics
contestada

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

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jordanmelis
jordanmelis jordanmelis
  • 21-08-2017
the value of the unknown number is 5/58
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anaguzman
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
Answer Link

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