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Re: Inequalities

• To: mathgroup at smc.vnet.net
• Subject: [mg78053] Re: Inequalities
• From: Peter Breitfeld <phbrf at t-online.de>
• Date: Thu, 21 Jun 2007 06:50:12 -0400 (EDT)
• References: <f5dghc$nql$1@smc.vnet.net>

Bruno Campanini schrieb:
> -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
>

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

does it.

Gruss Peter
-- 
==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de