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**Sabbir****Guest**

I've heard that there are 8 ways to solve system of linear equations.is it true ? If it is true what are they?

**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,548

hi Sabbir,

Welcome to the forum.

8 ? hhmm I can 'start the ball rolling' with

(i) simultaneous equations by elimination

(ii) simultaneous equations by substitution

(iii) matrices

(iv) graph (not really suitable beyond 2 unknowns)

(v) spot the answer by inspection and check it works

...........................

Now I've run out for the moment.

Hopefully others can carry on.

Bob

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,772

Hi Sabbir;

There are probably more ways than that. Determinants, iteration,over relaxation, sor, Newton - Jacobi are a few more.

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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