帮忙解一道题,急用:已知方程组(2x+3y=7 ax+by=1)与(3x-y=8 2ax-3by=7)同解,求a,b的值因为打不出大括号所以用小括号代替,还望高手们帮帮忙~~
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 03:30:14
![帮忙解一道题,急用:已知方程组(2x+3y=7 ax+by=1)与(3x-y=8 2ax-3by=7)同解,求a,b的值因为打不出大括号所以用小括号代替,还望高手们帮帮忙~~](/uploads/image/z/15001721-17-1.jpg?t=%E5%B8%AE%E5%BF%99%E8%A7%A3%E4%B8%80%E9%81%93%E9%A2%98%2C%E6%80%A5%E7%94%A8%EF%BC%9A%E5%B7%B2%E7%9F%A5%E6%96%B9%E7%A8%8B%E7%BB%84%EF%BC%882x%2B3y%3D7++ax%2Bby%3D1%29%E4%B8%8E%EF%BC%883x-y%3D8++2ax-3by%3D7%29%E5%90%8C%E8%A7%A3%2C%E6%B1%82a%2Cb%E7%9A%84%E5%80%BC%E5%9B%A0%E4%B8%BA%E6%89%93%E4%B8%8D%E5%87%BA%E5%A4%A7%E6%8B%AC%E5%8F%B7%E6%89%80%E4%BB%A5%E7%94%A8%E5%B0%8F%E6%8B%AC%E5%8F%B7%E4%BB%A3%E6%9B%BF%2C%E8%BF%98%E6%9C%9B%E9%AB%98%E6%89%8B%E4%BB%AC%E5%B8%AE%E5%B8%AE%E5%BF%99%7E%7E)
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