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  • 14-07-2017
  • Mathematics
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Sum of one-half of a number and 4 is -16. find the number

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apologiabiology
apologiabiology apologiabiology
  • 14-07-2017
x is the number
sum means add

sum of half a number and 4 means
(x/2)+4
result is -16

(x/2)+4=-16
minus 4 both sides
x/2=-20
times 2 both sides
x=-40
the number is -40
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