若代数式-n²n^3x+5与2/3n^4x+3m是同类项,则x=（）.
人气：415 ℃ 时间：2019-08-27 08:15:13
解答
因为：代数式-n²n^3x+5与2/3n^4x+3m是同类项
所以2+3x=4x,x=2.
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