Results 1 to 2 of 2

Math Help - Solving an inequality

  1. #1
    Newbie
    Joined
    Feb 2013
    From
    South Africa
    Posts
    16

    Exclamation Solving an inequality

    Hi there. I was just wondering if anyone could perhaps just set me straight with this minor inequality question..

    Inequality: 2x-3 ≦ 4+x
    I said: 2x-x ≦ 4+3
    2x ≦ 7 Solution: x ≦ 7

    Now knowing the answer from an extra revision paper, The paper did not show that there is 2x left after I did 2x-x, Now I'd like to know does the 2 fall away in that case or..? Maybe I'm just not thinking straight right now from all the maths But could anyone please just explain it to me..

    Thanks!!
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Apr 2005
    Posts
    15,536
    Thanks
    1391

    Re: Solving an inequality

    If you have 2 apples and give away one apple, you have 1 apple left. 2 of anything minus one of the things leaves 1 thing.

    2x- x= (2- 1)x= x.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Solving an inequality.
    Posted in the Pre-Calculus Forum
    Replies: 3
    Last Post: April 6th 2011, 04:36 AM
  2. Solving inequality
    Posted in the Algebra Forum
    Replies: 2
    Last Post: December 14th 2009, 01:51 PM
  3. solving inequality
    Posted in the Algebra Forum
    Replies: 1
    Last Post: March 9th 2009, 01:00 PM
  4. Solving an inequality
    Posted in the Algebra Forum
    Replies: 7
    Last Post: February 1st 2009, 08:19 AM
  5. need help solving the inequality for Z
    Posted in the Algebra Forum
    Replies: 1
    Last Post: January 17th 2008, 04:18 PM

Search Tags


/mathhelpforum @mathhelpforum