(150+x+3y)*3%=x*30%+3 (150+2x+y)*6%=y*60%+7.5 "*"为乘号

问题描述:

(150+x+3y)*3%=x*30%+3 (150+2x+y)*6%=y*60%+7.5 "*"为乘号

化简成:50-9x+3y=0 25+2x-9y=0 解得:x=7,y=13/3