ffateen1338 ffateen1338
  • 22-04-2018
  • Mathematics
contestada

How old is david if his age 6 years from now will be twice his age 7 years ago?

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Аноним Аноним
  • 22-04-2018
Let's say David's age right now is x years
x + 6 = 2(x - 7)
x + 6 = 2x - 14
x = 20
Therefor David is 20 years old
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riahlucs24
riahlucs24 riahlucs24
  • 26-04-2018
x-6=2x-14
x=20
Dave is 20 years old 
hope this helped 
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