两边同时乘以30,得到10x=3(100-x)+48010x=780-3x10x+3x=78013x=780解得,x=6 望采纳~
x/3 -(100-x)/10=16x/3-10+x/10=1610x/30+3x/30=2613x/30=26x=2X30x=60
1/3x - 1/10(100-x)=161/3x - (10-1/10x)=161/3x+1/10x=16+1013/30x=26x=60