Setting up equations

*To*: mathgroup at smc.vnet.net*Subject*: [mg65990] Setting up equations*From*: Yaroslav Bulatov <yaroslavvb at gmail.com>*Date*: Wed, 26 Apr 2006 04:37:41 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

I'm trying to do things of the form Solve[5 x + 6 y + 7 z == a x + b y + c z, {a, b, c}] But since x,y,z are variables, what I really mean is Solve[5==a && 6==b && 7==c], so I need to convert to this form If I only have one variable, the following does what I need LogicalExpand[a*x + b*x^2 + O[x]^3 == 2*x + 3*x^2 + O[x]^3] But what to do if I have several variables?

**Follow-Ups**:**Re: Setting up equations***From:*Bob Hanlon <hanlonr@cox.net>

**Re: Setting up equations***From:*"Carl K. Woll" <carlw@wolfram.com>

**Re: Setting up equations***From:*Andrzej Kozlowski <akoz@mimuw.edu.pl>