Re: integer solution

*To*: mathgroup at smc.vnet.net*Subject*: [mg62023] Re: integer solution*From*: "Steve Luttrell" <steve_usenet at _removemefirst_luttrell.org.uk>*Date*: Wed, 9 Nov 2005 03:45:50 -0500 (EST)*References*: <dkpokt$rcd$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Reduce[s + d + t + q == 10 && 6*s + 3*d + 2*t + q == 30 && s > 0 && d > 0 && t > 0 && q > 0, {s, d, t, q}, Integers] (s == 1 && d == 7 && t == 1 && q == 1) || (s == 2 && d == 3 && t == 4 && q == 1) || (s == 2 && d == 4 && t == 2 && q == 2) || (s == 3 && d == 1 && t == 3 && q == 3) || (s == 3 && d == 2 && t == 1 && q == 4) Steve Luttrell "bd satish" <bdsatish at gmail.com> wrote in message news:dkpokt$rcd$1 at smc.vnet.net... > > I want to find the integral solutions of the following two equations: > s + d + t+q =10 ; # two equations > 6s + 3d + 2t + q = 30 ; # 4 unknowns > I want only those solutions for which > s>0 d>0 t>0 q>0 >