Question

Let , y = 0
2x - y = 9
find x​

Answer 1

Answer:

putting the value of y in the given equation ,

2x-0 = 9

2x = 9

x = 9/2

Answer 2

Solution:

It is given that y = 0

So, by substituting y with 0 in the equation

2x - y = 9, we get,

2x - 0 = 9

⇒ 2x = 9

⇒ x = 9/2 = $4\frac{1}{2}$ or 4.5

Answer:-

x = 4.5