2016-04-07 18:04发布
3（X-4) - 2(4X - 3) = 12(X-9)
3X - 12 - 8X + 6 = 12X - 108
12X + 8X - 3X = 108 - 12 + 6
17X = 102
X = 102 ÷ 17
X = 6
最多设置5个标签!
{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://wenda.whatsns.com/data/attach/logo/logo.png', '推荐 陈仕坤 的问题《3（x-4）-2(4x-3）=12（x-9） 解方程》','https://wenda.whatsns.com/q-232032.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
3（X-4) - 2(4X - 3) = 12(X-9)
3X - 12 - 8X + 6 = 12X - 108
12X + 8X - 3X = 108 - 12 + 6
17X = 102
X = 102 ÷ 17
X = 6
一周热门 更多>