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-5乘(三分之二x-二分之一)=6(三分之二x-二分之一)-5.5 -10/3x+2.5=4x-3-5.5 -10/3x+2.5=4x-8.5 4x+10/3x=2.5+8.5 22/3x=11 x=11÷22/3 x=3/2
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