就这样算
9×12+2x=5x解:108+2x=5x 5x-2x=108 3x=108 x=36
9*12+2x=5x5x-2x=1083x=108x=108/3x=36谢谢,请采纳
9×12+2x=5x解:108+2x=5x5x-2x=1083x=108x=36
5x-2x=9*12则:3x=108 x=36