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Nookie1986 [14]
3 years ago
12

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

Mathematics
2 answers:
GaryK [48]3 years ago
8 0
Le the number be 'n' 
<span>half of 'n' = n/2 </span>
<span>Sum = n/2 + 6 </span>
<span>Ten times = 10(n/2 + 6) = </span>
<span>Equals 10(n/2 + 6) = 8 </span>

<span>Multiply out the brackets </span>
<span>10n /2 + 60 = 8 </span>
<span>5n + 60 = 8 </span>
<span>5n = 8 - 60 </span>
<span>5n= -52 </span>
<span>n = -10. 4</span>
gavmur [86]3 years ago
3 0
The value of the unknown number is 5/58
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