When it comes to defining linear equations, many students get stuck in the examples which are too complicated for others to understand. Linear questions in simple terms are the equations of the first order. These equations are mainly used to help students define the line present in the coordinate system. Linear equation solutions will give you a value that can be used in the place of an unknown value. Also, suppose there are two unknown values present in the linear equation. In that case, the student needs to use the cartesian product to find the two unknown values' values. The equation of a straight line is (y = mx+b), where (m) is the given line's slope. (b) is the y-intercept, and (x) and (y) are the coordinates on the x-axis and y-axis, respectively.