解方程17-2x+1=5,1/2=3x-1,4x-3(20-x)=3,6x+4/3=4x+5/4

学习 时间:2026-04-08 10:33:13 阅读:5704
解方程17-2x+1=5,1/2=3x-1,4x-3(20-x)=3,6x+4/3=4x+5/4

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直率的蜗牛

伶俐的小海豚

2026-04-08 10:33:13

17-2x+1=5-2x = 5 - 18-2x = -13x = 13/21/2=3x-13x = 1/2 + 13x = 3/2x = 1/24x-3(20-x)=34x - 60 + 3x = 37x = 3 + 607x = 63x = 96x+4/3=4x+5/46x - 4x = 5/4 - 4/32x = -1/12x = -1/24 再问: 是对的么? 再答: 已验算,对的

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  • 自信的水壶
    回复
    2026-04-08 10:33:13

    17-2x+1=5-2x = 5 - 18-2x = -13x = 13/21/2=3x-13x = 1/2 + 13x = 3/2x = 1/24x-3(20-x)=34x - 60 + 3x = 37x = 3 + 607x = 63x = 96x+4/3=4x+5/46x - 4x = 5/4 - 4/32x = -1/12x = -1/24 再问: 是对的么? 再答: 已验算,对的

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