# How to Solve a Three Variable Linear Equation?

Linear equations, equations that define the position of a line, typically involve only the x-axis and y-axis. Three-variable equations, however, include the z-axis, defining an equation that exists...
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http://www.ehow.com/how_8520122_solve-three-variable-linear-equation.html

## How to Solve Four-Variable Linear Equations?

Solving four-variable linear equations is often done with four different equations. Because of linearity, all variables are of first order, meaning all variables are raised to the power of one. The...
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http://www.ehow.com/how_8240583_solve-fourvariable-linear-equations.html

## How Do You Solve an Equation for X in Terms of Another Variable?

A core of high school mathematics is algebra class, where students are taught to solve equations made up of letters representing numbers. In a typical algebraic equation, a dependent variable will ...
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http://www.ehow.com/how_8519386_do-equation-terms-another-variable.html

## How to Solve a Three Variable System of Linear Equations Using a Ti-84 Plus?

Solving simultaneous equations takes a good deal of time and precision. Once more than four equations are involved, working out a solution via pencil and paper becomes too difficult for all but the...
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http://www.ehow.com/how_8504881_solve-equations-using-ti84-plus.html

## How to Solve for X in a Linear Equation With Matrix?

There are many ways to solve a system of equations. Some are more intuitive than others; some are more straightforward to apply. One technique used in solving systems of equations uses matrices to ...
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http://www.ehow.com/how_8273116_solve-linear-equation-matrix.html