Please help! May someone answer this for me

Answer: The answer is 4.
Step-by-step explanation: 2x + 1 cm = 3. 5x - 4cm = 1.
3 + 1 = 4. Hope this works! :) If not sorry. :(
Answer:
OI DEKU YOU DA.MN NERD!!! WHOS POKING YOU, ILL EXPLODE THEM IN A MILLION PIECES!!!
Step-by-step explanation: