Is the Point on the line?

Question 1:

Does the point
(20,-65)
lie on the line
y = −3x − 8
No

Question 2:

Does the point
(30,25)
lie on the line
y = x − 5
Yes

Question 3:

Does the point
(-20,71)
lie on the line
y = −3x + 8
No

Question 4:

Does the point
(-24,-44)
lie on the line
y = 2x + 5
No

Question 5:

Does the point
(-28,-104)
lie on the line
y = 4x + 6
No

Question 6:

Does the point
(-19,-16)
lie on the line
y = x + 3
Yes