Question

Never True
Sometimes True
Always True (Infinite)
3+x=x+3

Answer 1

Always true because when adding it does not matter the order of addends I hope this helps

Answer 2

Always True (infinite)

Explanation:

If you try and isolate the x variable... you will end up with the equation 0 = 0

Any time you end up with the equation 0 = 0, there are an infinite number of solutions.