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Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

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

Find dy/dx using implicit differentiation ln(20+e^xy)=y