anonymous
  • anonymous
1/2x+1/4x=16 16 21.3 32 64
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
Hello, try multiplying the whole equation by 4x (the largest demoniator) and then solve for x
anonymous
  • anonymous
i did
anonymous
  • anonymous
And what did you get?

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anonymous
  • anonymous
i didnt get the answer
anonymous
  • anonymous
What answer did you get?
anonymous
  • anonymous
Or where did you get stuck?
anonymous
  • anonymous
the first one i got 12
anonymous
  • anonymous
the second one i got 15.975
anonymous
  • anonymous
the third one i got 24
anonymous
  • anonymous
wait I think I read the problem wrong: is it (1/2) x + (1/4)x = 16 or is it 1/(2x) + 1/(4x) = 16... note there is a big difference
anonymous
  • anonymous
If it is the first case (as I now suspect) try multiplying the whole equation by 4
anonymous
  • anonymous
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anonymous
  • anonymous
D
anonymous
  • anonymous
So when you multiply the equation by 4 do you get: \[4( \frac{1}{2}x + \frac{1}{4} x = 16) \ \ \ \ \rightarrow \ \ \ \ 2x+x=16*4\]

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