Which equation has all real numbers as solutions?
HELLLPP

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.