PLEASE HELP! ASAP! Thanks! In the system -9x-10y=17 and -10x-10y=10. What is the value of 2x?

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=