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    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #1

    Jun 13, 2012, 02:21 PM
    Math equations
    2(4c-7)=8c+14
    8c-14-8c+14
    8c-8c-14+14
    = 0
    so the answer is 0?
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #2

    Jun 13, 2012, 02:26 PM



    Slight mistake in the next part..
    Go slow and steady and do the same on both sides..
    Do ONE step at a time..

    Actually this one doesn't make any sense.
    Are you sure it's correct ?
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #3

    Jun 13, 2012, 02:31 PM
    OK but the abswer is still 0 right ?
    8c-14=8c+14
    because it all croses out so its 0
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #4

    Jun 13, 2012, 02:32 PM
    Well actually this is how it works out.

    8c-14=8c+14
    8c-14-8c=14
    so
    0c-14=14
    0c-14+14=14+14
    0c=28!

    See the problem here...
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #5

    Jun 13, 2012, 02:35 PM
    I got it but y don't u move the other 14 so it looks like
    8c-14-8c-14?
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #6

    Jun 13, 2012, 02:36 PM
    Because then you get
    0c-28=0
    so
    0c=28
    as I posted above.

    Now what happens when you divide anything by ZERO ?
    Wondergirl's Avatar
    Wondergirl Posts: 39,354, Reputation: 5431
    Jobs & Parenting Expert
    		  
    #7

    Jun 13, 2012, 02:38 PM
    Did he copy the problem correctly? (I can't stay out of this!)
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #8

    Jun 13, 2012, 02:38 PM
    O I get it now thanks!
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #9

    Jun 13, 2012, 02:38 PM
    Do you see the problem here?
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #10

    Jun 13, 2012, 02:40 PM
    You
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #11

    Jun 13, 2012, 02:42 PM
    So what was the mistake ?
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #12

    Jun 13, 2012, 02:43 PM
    It makes the answer 0!
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #13

    Jun 13, 2012, 02:44 PM
    Noo
    What do you get if you dive any number by ZERO ?

    How many zeros in 1??
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #14

    Jun 13, 2012, 02:48 PM
    hu?
    I just went on a calculator and did 0 divided by 7(random number) and I got 0
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #15

    Jun 13, 2012, 02:50 PM
    Well that's because the calculator gives up and panics ;)

    There's an infinite number of ZEROs in any given number, so a calculator produces and error state...

    Division by zero - Wikipedia, the free encyclopedia
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #16

    Jun 13, 2012, 02:52 PM
    Oh k got it
    Curlyben's Avatar
    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #17

    Jun 13, 2012, 02:53 PM
    So because of that, there's an error in the original equation.
    Your method is getting there though..
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
    		  
    #18

    Jun 13, 2012, 02:53 PM
    Kk
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