x-1/8x-1/8x*1/4-2.75=3.5过程

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x-1/8x-1/8x*1/4-2.75=3.5过程x-1/8x-1/8x*1/4-2.75=3.5过程x-1/8x-1/8x*1/4-2.75=3.5过程x-1/8x-1/8x*1/4=6.25x-

x-1/8x-1/8x*1/4-2.75=3.5过程
x-1/8x-1/8x*1/4-2.75=3.5
过程

x-1/8x-1/8x*1/4-2.75=3.5过程
x-1/8x-1/8x*1/4=6.25
x-4/32x-1/32x=6.25
32/32x-5/32x=6.25
27/32x=6.25
27x=200
x=200/27

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