Q. The cost of a pen is four times the cost of a pencil. Write a linear equation in two variables to represent this situation. A. solution1 4x - y + 0=0 solution 2 4x-y = 0 I wanted to know which solution is correct and why?

Q. The cost of a pen is four times the cost of a pencil. Write a lin

1.	Q. The cost of a pen is four times the cost of a pencil. Write a linear equation in two variables to represent this situation. A. solution1 4x - y + 0=0 solution 2 4x-y = 0 I wanted to know which solution is correct and why?
Answer» Q. The cost of a pen is four times the cost of a pencil. Write a linear equation in two variables to represent this situation. A. solution1 4x - y + 0=0 solution 2 4x-y = 0 I wanted to know which solution is correct and why?