2(0.3x+4)-5(0.2x-7)=9

学习 时间:2026-10-24 14:50:58 阅读:8590
2(0.3x+4)-5(0.2x-7)=9

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甜甜的哑铃

瘦瘦的店员

2026-10-24 14:50:58

2(0。3x+4)-5(0。2x-7)=9 0。6x+8-x+35=9-0。4x=-34x=85