# What Are Linear Bearings?

Linear bearings, like ball bearings, roll to allow movement. Unlike a single ball bearing, which can move in any direction, linear bearings roll only on one axis, or in a straight line. Linear bear...
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http://www.ehow.com/info_8504073_linear-bearings.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 Construct an Electromagnetic Linear Accelerator (Linear Homopolar) or Rail Gun?

With a name like "rail gun" images of Arnold Schwarzenegger, with an insanely big gun, blasting away the baddies are inspired. In reality, the U.S. Military is currently funding a project to develo...
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http://www.wikihow.com/Construct-an-Electromagnetic-Linear-Accelerator-%28Linear-Homopo...

## 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