Re: New user: Abs[] problem

• To: mathgroup at smc.vnet.net
• Subject: [mg50097] Re: [mg50079] New user: Abs[] problem
• From: Bob Hanlon <hanlonr at cox.net>
• Date: Sun, 15 Aug 2004 03:14:23 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

```eqn=x+1-Abs[2x-4]+Abs[5-x]==0;

FindRoot[eqn,{x,2}]

{x -> 5.}

eqn /. %

True

Bob Hanlon

>
> From: Edson.Brusque at smc.vnet.net
To: mathgroup at smc.vnet.net
> Date: 2004/08/14 Sat AM 01:50:33 EDT
> To: mathgroup at smc.vnet.net
> Subject: [mg50097] [mg50079] New user: Abs[] problem
>
> Hello,
>
>      I'm starting Electrical Engineering and using Mathematica for
> helping me in Calculus e Algebra studies.
>
>      I'm trying to solve this equation on Mathematica:
>          x + 1 - |2x - 4| + |5 - x| = 0
>
>      on the Math* notebook I'm typing:
>          Solve[x + 1 - Abs[2x - 4] + Abs[5 - x] == 0,x]
>
>      but only got an empty output: {{}}
>
>      Someone please can help me get Math* to solve this?
>
>      Thank you very much,
>
>      Edson Brusque
>
>
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----
> Edson Brusque                     C.I.Tronics Lighting Designers Ltda
> Research and Development                   Blumenau  -  SC  -  Brazil
> http://www.suporte.ind.br/ryan/netiqueta.htm     www.citronics.com.br
>
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>
>
>
>

```

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