80- (8-x)x3/4=4/5x

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/01 15:02:18
80- (8-x)x3/4=4/5x
x)0UаЭЬ0757I*&_`gCzK^d' t M*Ь*Qa 4264 %L, ڡL<;;

80- (8-x)x3/4=4/5x
80- (8-x)x3/4=4/5x

80- (8-x)x3/4=4/5x
80- (8-x)x3/4=4/5x
两边乘以20
1600-15(8-x)=16x
16x=1600-120+15x
16x-15x=1480
x=1480