B and D
Step-by-step explanation:
PLUG AND CHU
if you don't know what that means, you're just placing the values of x and y into the equation
a) 3=3(1)-1 --> 3≠2
b) 8=3(3)-1 --> 8=9-1 --> 8=8
c) 17=3(7)-1 --> 17=21-1 --> 17≠20
d) 29= 3(10)-1 --> 29=30-1 --> 29=29