2/3x=80-x-10-5,

问题描述:

2/3x=80-x-10-5,

解原式=2/3x =80-x-10-5
2/3x+x=65
5/3x=65
x=39

2/3x=80-x-10-5
2x/3 +x =65
5x/3=65
x=65* 3/5
x=39

2/3x=80-x-10-5
2/3x+x=65
5/3x=65
x=39