Re: Help with this!!!! please
- To: mathgroup at smc.vnet.net
- Subject: [mg4241] Re: [mg4139] Help with this!!!! please
- From: leszek (Leszek Sczaniecki)
- Date: Sun, 23 Jun 1996 03:06:07 -0400
- Organization: Wolfram Research, Inc.
- Sender: owner-wri-mathgroup at wolfram.com
>
> On Fri, 7 Jun 1996, Erick Houli Katz wrote:
>
> > How can I solve this exercise???
> >
> > |1-2X|+|3X+1|=2
> >
> > Thanks for any help.
> >
> > Erick.
> >
> > P.S.: Please don't forget to give me all the theory you use to solve it.
> > Thanks again.
> >
> >
> >
>
>
I suggest to use this simple trick.
In[1]:= Solve[Sqrt[(1-2 x)^2] + Sqrt[(3 x + 1)^2] == 2, x]
2
Out[1]= {{x -> -(-)}, {x -> 0}}
5
-Leszekk
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