Respuesta :

Answer:

The last answer D

Step-by-step explanation:

Hope this helps. :) :D

Answer:

3y+1=3y+1

Step-by-step explanation:

ok lets try them out

1. 3y=3y+1

There are no solutions.

2. now 3y=3

y=3 so 1 solution

3. 3y=0

y=0 so 1 solution

4. 3y+1=3y+1

All real numbers are solutions.