10x+6*(380-7x)/8 =380 咋算,

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/10 03:50:08
10x+6*(380-7x)/8=380咋算,10x+6*(380-7x)/8=380咋算,10x+6*(380-7x)/8=380咋算,10x+6*(380-7x)/8=38080x+2280-42

10x+6*(380-7x)/8 =380 咋算,
10x+6*(380-7x)/8 =380 咋算,

10x+6*(380-7x)/8 =380 咋算,
10x+6*(380-7x)/8 =380
80x+2280-42x=3040
80x-42x=3040-2280
38x=760
x=760/38
x=20