Math Problem

Math Problem

Storyboard Text

  • Hey can you check this problem and tell me if its right.
  • Sure! Let me see it.
  • -4 -3 -2 -1 0 1 2 3 4
  • x+11+8x<29 -8x -8 x+11<11 -11 -11 x<0
  • Oh ok thanks.
  • This is wrong. Let me show you how to do it.
  • Can you tell me what I did wrong ?
  • Oh yeah
  • What you did wrong was instead of combining the x and the 8x you subtracted the 8x from both side. What you need to do is subtract 11 from both sides. After you divide both ides by 9 to get ¨X¨ by its self. Also the dot on the number line would be open not closed.
  • -4 -3 -2 -1 0 1 2 3 4
  • x+11+8x<299x+11<29 -11 -119x<18 9 9x<2
  • OH Wow! Thanks for the help.
  • Yeah no problem any time.
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