linear equation(redirected from Y=mx+b)
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An algebraic equation, such as y = 2x + 7 or 3x + 2y - 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.
(Mathematics) a polynomial equation of the first degree, such as x + y = 7
a first-order equation involving two variables: its graph is a straight line in the Cartesian coordinate system.