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