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An linear equation is an algebraic equation that contains a variable to the first power and a constant. When graphed, linear equations always produce a straight line.
An example of a linear equation is y = x + 2.

Linear equation - Wikipedia

en.wikipedia.org/wiki/Linear_equation

A linear equation is an algebraic equation in which each term is either a constant or the product of a constant and (the first power of) a ...

Linear Equations - Math is Fun

www.mathsisfun.com/algebra/linear-equations.html

Example: y = 2x + 1 is a linear equation: line on a graph. The graph of y = 2x+1 is a straight line. When x increases, y increases twice as fast, so we need 2x ...

SOLVING LINEAR EQUATIONS - SOS Math

www.sosmath.com/algebra/solve/solve1/s13/S13/S13.html

LINEAR EQUATIONS - Solve for x in the following equation. ... If you would like to test yourself by working some problems similar to this example, click problem.

Algebra - Linear Equations

tutorial.math.lamar.edu/Classes/Alg/SolveLinearEqns.aspx

Algebra (Notes) / Solving Equations and Inequalities / Linear Equations [Notes] ... Let's first summarize the process and then we will work some examples.

Linear equation word problems — Basic example | Application of ...

www.khanacademy.org/math/in-seventh-grade-math/simple-equations/new-topic-2015-11-13T01:43:29.211Z/v/sat-linear-equation-easier

Watch Sal work through a basic Linear equations word problem.

Solving Linear Equations - Study Guides and Strategies

www.studygs.net/equations.htm

Instructions and examples of solving linear equations.

Linear equations 1 | Old school equations with Sal | Solving basic ...

www.khanacademy.org/math/algebra-home/alg-basic-eq-ineq/alg-old-school-equations/v/algebra-linear-equations-1

Welcome to level one linear equations. So let's start doing some problems. So let's say I had the equation 5-- a big fat 5, 5x equals 20. So at first this might look a ...

Graphing Linear Equations: Examples - Purplemath

www.purplemath.com/modules/graphlin3.htm

Uses worked examples to demonstrate how to graph straight lines, and gives suggestions to make the job of graphing easier. Includes an example of graphing  ...

Systems of Linear Equations: Examples - Purplemath

www.purplemath.com/modules/systlin7.htm

Uses worked examples to demonstrate solution techniques.