Question

Point (k, -2) lies on the line whose equation is x-3 y=7. What is the value of k?

Answer 1

k =1

Explanation:

x-3y = 7

Let y = -2 since we have the point (k, -2)

x -3(-2) =7

x+6 =7

Subtract 6 from each side

x+6-6=7-6

x =1

The point is (1,-2)