What is the solution of Vx+ 2 - 15=-3?

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 tt of tokens james has is a function of gg, the number of games he plays

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Can someone me and plz do the problem