ONE QUESTION, ONE STEP
ZX-EFD34058392025年12月国际B卷 · 第 21 题
2025年12月国际B卷 · 原库模块 2 · Q21 原库参考解析
\( 39(x-n)=39y+39n \)
One of the equations in a system of two linear equations is given, where n is a positive constant. The system has no solution. Which equation could be the second equation in this system?
参考答案:
解题思路
容易忽略的一步
