把过程也都写吧-.-

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/17 03:35:58
把过程也都写吧-.-
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把过程也都写吧-.-
把过程也都写吧-.-
 

把过程也都写吧-.-
(1.8 - 8x)/1.2 - (1.3 - 3x)/2 = (5x - 0.4)/0.3
(18 - 80x)/12 - (7.8 - 18x)/12 = (200x - 16)/12
18 - 80x - 7.8 + 18x = 200x - 16
26.2 = 262x 解得:x = 0.1