1/40×4x+1/40×(x+2)×8=1怎么解?

来源：学生作业学帮网编辑：学帮网时间：2024/04/27 17:03:45

您好：

1/40×4x+1/40×(x+2)×8=1
1/10x+1/5x+2/5=1
1/10x+1/5x=1-2/5
3/10x=3/5
x=3/5÷3/10
x=2

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