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Topic: Re: [mg4139] Help with this!!!! please
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Leszek Sczaniecki

Posts: 1
Registered: 12/11/04
Re: [mg4139] Help with this!!!! please
Posted: Jun 16, 1996 2:27 AM
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>
> 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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