MathYouLike MathYouLike
  • Toggle menubar
  • Toggle fullscreen
  • Toggle Search
  •    Sign up
  • QUESTIONS
  • TAGS
  • USERS
  • BADGES
  • UNANSWERD
  • ASK A QUESTION
  • BLOG
...

minhquang

20/08/2017 at 16:30
Answers
3
Follow

x:2+x+x:3+x:4=25




    List of answers
  • ...
    Dao Trong Luan 20/08/2017 at 16:39

    x : 2 + x + x:3 + x: 4 = 25

    => x/2 + x/1 + x/3 + x/4 = 25

    => 6x/12 + 12x/12 + 4x/12 + 3x/12 = 15

    => \(\dfrac{6x+12x+3x+4x}{12}=25\)

    \(\Rightarrow\dfrac{25x}{12}=25\)

    => 25x = 25.12

    => x = 12

    minhquang selected this answer.
  • ...
    Kaya Renger Coordinator 20/08/2017 at 16:35

    \(\dfrac{x}{2}+x+\dfrac{x}{3}+\dfrac{x}{4}=x.\left(\dfrac{1}{2}+1+\dfrac{1}{3}+\dfrac{1}{4}\right)=25\)

    \(\dfrac{x.25}{12}=25\)

    => x = 12 

  • ...
    Luffy xyz 123 20/08/2017 at 16:41

    \(\dfrac{x}{2}+x+\dfrac{x}{3}+\dfrac{x}{4}=25\) 

    => x .( \(\dfrac{1}{2}+1+\dfrac{1}{3}+\dfrac{1}{4}\)) = 25

    => x . \(\dfrac{25}{12}\)= 25

    => x = 25 : \(\dfrac{25}{12}\)

         x  = 12


Post your answer

Please help minhquang to solve this problem!



Weekly ranking


© HCEM 10.1.29.225
Crafted with by HCEM