ONE QUESTION, ONE STEP
ZX-7437D5C1842024年10月B卷 · 第 20 题
2024年10月B卷 · 原库模块 2 · Q20 原库参考解析
\( 7x+5y=2 \)
The given equation is one equation in a system of two linear equations. If the system of equations has at least one solution, which of the following equations could be the other equation in the system?
Ⅰ.\( 10.5x+7.5y=3 \)
Ⅱ.\( 10.5x-7.5y=3 \)
参考答案:
解题思路
容易忽略的一步
