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Re: Inequalities

• To: mathgroup at smc.vnet.net
• Subject: [mg78052] Re: [mg77978] Inequalities
• From: Bob Hanlon <hanlonr at cox.net>
• Date: Thu, 21 Jun 2007 06:49:41 -0400 (EDT)
• Reply-to: hanlonr at cox.net

$Version

5.2 for Mac OS X (June 20, 2005)

Reduce[-10 <= 3*x + 2 <= 10, x]

-4 <= x <= 8/3
________________________________

$Version

6.0 for Mac OS X x86 (32-bit) (April 20, 2007)

Reduce[-10 <= 3*x + 2 <= 10, x]

-4 <= x <= 8/3


Bob Hanlon

---- Bruno Campanini <BC at gmail.com> wrote: 
> -10 <= 3x+2 <= 10
> 
> I tried with FindInstance and Reduce but was unable to
> get the right range solution  -4 <= x <= 8/3
> 
> Any suggestions.
> 
> Bruno
>