Question

The cost of a notebook is 5 more than twice of the cost of a pen. Write a linear equation
in 2 variable to represent this statement and express it in the form of ax + by + c = 0
and write the values of a, b and c.​

Answer 1

Answer:

cost of the book = x,

cost of the pen=y,

then, x=5+2y

ie.., x-2y-5=0