The 2nd option is the answer :)!
Answer:
6x-7
Step-by-step explanation:
Answer:

Step-by-step explanation:
The equation is

Solve for x
we know that

substitute

so

Ming needs to play for 15 hours to get 500 points. They gave him 200 for signing up, so 500-200=300 more points needed. 300 divided by 20= 15 more hours.
Could you attach photo of a problem. It appears 2+..... =4 is missing