Bluebook试题11 · 第 19 题

Bluebook试题11 · 原库模块 3 · Q19 原库参考解析

\( 2x+9y=7 \)
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. \( 3x+13.5y=10.5 \)
II. \( 3x-13.5y=10.5 \)

Bluebook试题11 · 第 19 题

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