Marcy added them all up and did put all the variables
{"name":"Combining Like Terms", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"10x+10x+10y, Which like term does not belong?, What did Marcy do wrong? 10y+6y+7v=23yv","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}
