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> 如果方程ax-y=9,2x+3y-1=0,3x-y=7有公共解,求a的值。-七年级数学
如果方程ax-y=9,2x+3y-1=0,3x-y=7有公共解,求a的值。-七年级数学
题目简介
如果方程ax-y=9,2x+3y-1=0,3x-y=7有公共解,求a的值。-七年级数学
题目详情
如果方程ax-y=9,2x+3y-1=0,3x-y=7有公共解,求a的值。
题型:解答题
难度:中档
来源:期中题
答案
a= 4
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题目简介
如果方程ax-y=9,2x+3y-1=0,3x-y=7有公共解,求a的值。-七年级数学
题目详情
答案