Question

the cost of a book is 4 times the cost of a notebook Express this statement as a linear equation in two variables write the equation in form of ax + by + c = 0

Answer 1

Hi !

Let the cost of notebook be "x"

If the cost of book is "y"

then ,

4x = y

4x - y = 0                       -----> (in general form)

Answer 2

Answer:

Hi !

Let the cost of notebook be "x"

If the cost of book is "y"

then ,

4x = y

Step-by-step explanation: