Can someone answer this please?

If 3x+8=3x+8 is it one solution or no solution

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?