(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/18 15:50:04
(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20(0.2x-0.1)/0.3-(0.01x+0.02)/0.

(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20
(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20

(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20
(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20
(2x-1)/3-(x+2)/6=20
2(2x-1)-(x+2)=120
4x-2-x-2=120
3x=120+4
x=124/3

两边乘0.6
0.2x-0.1-5(0.01x+0.02)=6
0.2x-0.1-0.05x-0.1=6
0.2x-0.05x=6+0.1+0.1
0.15x=6.2
x=6.2÷0.15
x=41又1/3

(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20
两边同乘3得(0.2x-0.1)*10-(0.01x+0.02)*50=20
2x-1-0.5x-1=60
1.5x=62
x=124/3