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  • 17-04-2017
  • Mathematics
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D+d+d+d=120 what is d

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Braveheart2
Braveheart2 Braveheart2
  • 17-04-2017
The answer to D should be 30.
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 17-04-2017
remember you can do anything to an equation as long as you do it to both sides

assumind D=d

d+d+d+d=120
4d=120
divide both sides by 4
4d/4=120/4
d(4/4)=30
d(1)=30
d=30

d=30
Answer Link

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