Hey, It's

--OutpostMir--, bringing High School

Geometry and

Algebra student everywhere this

nifty way to blaze right through

linear equation problems using those wonderful bracketed sets we all call

matrices!

**Very Important Note:** Be cool, and learn how to do these the hard way first before using this method. That way your teacher won't get pissed because you didn't do it their way.

**Also**, this assumes you have a TI-8x graphing calculator. If not, I'm sorry, but I can't help.

Here's the problem:

`5x+3y=-1`

-4x+2y-3

And here's how to solve:

1) First type 2nd and x^{-1}. This takes you to the Matrix screen. Scroll over to "Edit" and hit Enter

2) First we need to define the size of the matrix. hit 2 and Enter and 2 and Enter. Enter the coefficients of the variables in the linear equations into the matrix. Once you are done hit 2nd and x^{-1} again to go back to the matrices screen.

3) Scroll over to Edit and chose the second menu choice. This time create a 2x1 matrix and fill it with the numbers on the other side of your equal sign. When your done, hit 2nd+mode to quit to the home screen.

4) The easiest part. Hit 2nd+x^{-1} and choose the first option on this screen. Hit the x^{-1} key,and then go back to the matrix menu and chose matrix B. Hit enter.

If you did everything right, the values for X (top number) and Y (bottom number) will automagicly appear on screen! Huzzah! You did it!