1234sir 1234sir
  • 08-10-2016
  • Mathematics
contestada

twice the sum of a number and negative two is sixteen. find the number

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hagb8510 hagb8510
  • 08-10-2016
It would be 9 because 2x9=18. Then 18+-2=16.
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apologiabiology
apologiabiology apologiabiology
  • 08-10-2016
n is the number
2(n-2)=16
divide both sides by 2
n-2=8
add 2 to both sides
n=10

the number is 10
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