(9-X)*100+X+693=100X+(9-X)这道方程怎样解求大神帮助

问题描述:

(9-X)*100+X+693=100X+(9-X)这道方程怎样解求大神帮助

900-900X+X+693=100X+9-X 900+693-9=100X-X+900X-X 1584=998X X=1584/998