(1.8-4/5X)/1.2+(1.3-3X)/2+(1/2X-0.51)/0.6

分类: 作业答案 • 2022-01-04 13:13:32

问题描述：

(1.8-4/5X)/1.2+(1.3-3X)/2+(1/2X-0.51)/0.6
(1.8-4/5X)/1.2+(1.3-3X)/2=(1/2X-0.51)/0.6

答

(1.8-4/5X)/1.2+(1.3-3X)/2=(1/2X-0.51)/0.6
两边乘以6
5(1.8-4/5X)+3(1.3-3X)=10(1/2X-0.51)
9-4x+3.9-9x=5x-5.1
18x=18
x=1