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MathGroup Archive 2007

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Re: Inequalities

  • To: mathgroup at smc.vnet.net
  • Subject: [mg78072] Re: Inequalities
  • From: dimitris <dimmechan at yahoo.com>
  • Date: Fri, 22 Jun 2007 06:41:23 -0400 (EDT)
  • References: <f5dghc$nql$1@smc.vnet.net>

In[19]:=
Reduce[-10 <= 3*x + 2 <= 10, x]

Out[19]=
-4 <= x <= 8/3

You don't need to specify the range.
>From the inequality Mathematica
understands that x is Real.

Dimitris

            Bruno Campanini       :
> -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



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