**Any point on the line y = x is of the form (a) (a, a) (b) (0, a) (c) (a, 0) (d) (a, – a)**

###### Answers:

(a) Every point on the line y = x has same value of x-and y-coordinates i.e., x = a and y = a.

Hence, (a, a) is the required form of the solution of given linear equation.