# How to Substitute in Linear Equations?

In algebra, you will often be asked to solve an equation in which there are letters. Your task is to solve the equations to find out what the letters, or variables, are. In some cases, you will be ...
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http://www.ehow.com/how_8088265_substitute-linear-equations.html

## How to Solve Linear & Non-Linear Equations Then Determine if They Are Linear or Not?

Solving equations, whether linear or nonlinear, is a matter of isolating x on one side of the equation, and numerical coefficients on the other. Specific methods for doing so will vary among equati...
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http://www.ehow.com/how_8429719_solve-then-determine-linear-not.html

## How to Graph Equations, Linear Equations, Coordinates and Functions?

Some high school math courses require students to be proficient in using a graphic calculator. Many classes ask that students purchase a Texas Instruments calculator such as a TI-83, TI-84 Plus or ...
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http://www.ehow.com/how_8095002_graph-linear-equations-coordinates-functions.html

## How to Compare Linear Equations & Linear Inequalities?

Linear equations and linear inequalities are two major concepts in algebra. The part "linear" in both linear equations and linear inequalities indicate that they involve only variables whose expone...
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http://www.ehow.com/how_8378088_compare-linear-equations-linear-inequalities.html

## How to Solve Linear Equations & Linear Models?

Linear equations and models are mathematical expressions of the form c=X+b. These equations are characterized by a first-degree x-variable --- in other words, one that contains no exponents --- and...
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http://www.ehow.com/how_8441318_solve-linear-equations-linear-models.html