solve inequalities



I tried but nothing happens

solve_rat_ineq(7*x<-3);
(%o35) solve_rat_ineq(7*x<-3)

maxima --version
Maxima 5.21.1

could you please indicate a working example?

many thanks

--- Ven 23/11/12, Stavros Macrakis <macrakis at alum.mit.edu> ha scritto:

Da: Stavros Macrakis <macrakis at alum.mit.edu>
Oggetto: Re: [Maxima] solve inequalities
A: "Antonio Lapira" <antoniolapira at yahoo.it>
Cc: maxima at math.utexas.edu
Data: Venerd? 23 novembre 2012, 21:07

http://bit.ly/WHnOJc

On Fri, Nov 23, 2012 at 3:53 PM, Antonio Lapira <antoniolapira at yahoo.it> wrote:

how to solve inequalities?

I tried with:

solve([2*x>12], [x]);

but doesn't work

[2*x>12=0]



I'd like to get x>6



thanks

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