x-140-(x-140)×60%=X÷6

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x-140-(x-140)×60%=X÷6x-140-(x-140)×60%=X÷6x-140-(x-140)×60%=X÷6x-140-(x-140)×60%=X÷6x-140-0.6x+84=X÷

x-140-(x-140)×60%=X÷6
x-140-(x-140)×60%=X÷6

x-140-(x-140)×60%=X÷6
x-140-(x-140)×60%=X÷6
x-140-0.6x+84=X÷6
0.4x-56=X÷6
2.4x-336=x
1.4x=336
x=240