1. A mathematical equation of the first degree where variables appear only to the power of one, represented in the form ax + b = 0 (univariate) or ax + by + c = 0 (bivariate)
The linear equation 2x + 3 = 7 has x = 2 as its solution.
A equação linear 2x + 3 = 7 tem x = 2 como solução.
2. In algebra, an equation representing a straight line when graphed on a coordinate plane
The linear equation y = 2x + 1 represents a line with slope 2 and y-intercept 1.
A equação linear y = 2x + 1 representa uma reta com inclinação 2 e intercepto y igual a 1.