The cost of a notebook is 5 more than twice of the cost of a pen. Write a linear equationin 2 variable to represent this statement and express it in the form of ax + by + c = 0and write the values of a, b and c. About the author Caroline
Answer:
cost of the book = x,
cost of the pen=y,
then, x=5+2y
ie.., x-2y-5=0