# linear equation

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## linear equation

*n.*

An algebraic equation, such as

*y*= 2*x*+ 7 or 3*x*+ 2*y*-*z*= 4, in which the highest degree term in the variable or variables is of the first degree. The graph of such an equation is a straight line if there are two variables.## linear equation

*n*

(Mathematics) a polynomial equation of the first degree, such as

*x*+*y*= 7## lin′ear equa′tion

*n.*

a first-order equation involving two variables: its graph is a straight line in the Cartesian coordinate system.

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Noun | 1. | linear equation - a polynomial equation of the first degreeequation - a mathematical statement that two expressions are equal |

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