Texas Instruments TI-83 Plus Graphing Calculator

I am needing to know how to solve three variable equations on my TI-83 calculator and have not had any luck trying to figure it out myself.

A: You could try using the [Math] > 0:Solver...

Let's say the problem was 2x + 3y − 7z = 6. In the Solver, you would have to put 0=2X+3Y−7Z−6.

From then on it's mainly just guessing-and-checking each value of x, y,

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Graphing calculator handles calculus, engineering, trigonometric, and financial functions Can display graphs and tables on split screen to trace graph while scrolling through table values LCD screen features 64 x 96 pixel resolution for clear,... Applications can also be stored in a computer for later use or linked unit-to-unit. I/O port with unit-to-unit link cable (included). 99 Best Buy Advanced calculator for everything from algebra through pre-calculus, plus powerful statistics and finance features. Large 64×96 pixel eight-line by 16-character display. Financial functions include TVM, cash flows and amortization. Communicates with computers through USB connectivity kit (sold separately). Enhanced data analysis includes logistic and sine regressions. Four AAA batteries included. Big 160KB archive space for storing up to 10 applications at one time....

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