ryanarnold2002
ryanarnold2002 ryanarnold2002
  • 22-10-2016
  • Mathematics
contestada

2. Twice a certain number is doubled. The resulting number is four times the original number.

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apologiabiology
apologiabiology apologiabiology
  • 22-10-2016
2(2x)=4x
duh
4x=4x
x=x
true,
all real numbers are solutions
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