If this helps you I’d really appreciate you marking my answer as “the brainliest”, it helps me level up from answering questions and it also adds points to your account :) Thank you!
The equation would be 45 - x = y
Or in other words: The amount of minutes he is allowed to use the computer minus the amount of minutes he spent watching videos equals the amount of minutes he has left to play video games.
Answer: 45 - x = y -or- y = 45 - x
Answer : 45 - x = 7
