If (Negative 3) Superscript negative 5 Baseline = StartFraction 1 Over x EndFraction, what is the value of x? please ineed your help so bad im doing the quiz and all the outher questions are rigtht and i dont know this one

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.