An electrician charges a fixed visiting fee of ₹80 and ₹150 for every hour of work. Mr. Gupta paid the electrician ₹530.
a. (i) Let x be the number of hours the electrician worked. Write a linear equation in x that represents the given information.
b. (ii) Solve the equation to obtain the value of x.
c. (iii) Verify your answer by substituting the value of x in the equation obtained in part (i).