For what value of k does the point (k, – 3) lies on the line 3x – y = 6?
Given equation, 3x – y = 6
For the point, (k, – 3), x = k and y = – 3
Put the values of x and y in 
⇒ 3k – ( – 3) = 6
⇒ 3k + 3 = 6
⇒ 3k = 6 – 3
⇒ 3k = 3
⇒ k = 1
5
For what value of k does the point (k, – 3) lies on the line 3x – y = 6?
Given equation, 3x – y = 6
For the point, (k, – 3), x = k and y = – 3
Put the values of x and y in
⇒ 3k – ( – 3) = 6
⇒ 3k + 3 = 6
⇒ 3k = 6 – 3
⇒ 3k = 3
⇒ k = 1