Question

(Questions Nos. 5 to 8 carry 1 mark each)
The cost of a ball pen is 5 less than half the cost of gel pen. Write this statement as a linear
equation in two variables.​

Answer 1

Let the cost of a fountain pen be y and cost of a ball pen be x. According to the given statement, x = y/2 − 5 or 2x = y – 10 or 2x – y + 10 = 0 Which is required linear equation