18.5x+26-46.01=0.4x

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18.5x+26-46.01=0.4x18.5x+26-46.01=0.4x18.5x+26-46.01=0.4x移项18.5x-0.4x=46.01-2618.1x=20.01x=20.01÷18.

18.5x+26-46.01=0.4x
18.5x+26-46.01=0.4x

18.5x+26-46.01=0.4x
移项
18.5x-0.4x=46.01-26
18.1x=20.01
x=20.01÷18.1
x=2001/1810

将带有未知数的项移到等号左侧,已知数移到等号右侧得:18.1x=20.01,然后x=20.01/18.1=