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Toán Lớp 7: Tìm x biết: a.|4+2x|=-4x b.|3x-1|+2=x c.|x+15|+1=3x d.|2x-5|+x=2 e.|2x-5|=x+1 f|3x-2|-1=x

Home/ Toán Lớp 7: Tìm x biết: a.|4+2x|=-4x b.|3x-1|+2=x c.|x+15|+1=3x d.|2x-5|+x=2 e.|2x-5|=x+1 f|3x-2|-1=x

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