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ZX-83AB1FA515PSAT 8/9 P2 · 第 20 题
PSAT 8/9 P2 · 原库模块 1 · Q20 原库参考解析
\( y=-\frac{1}{5}x \)
\( y=\frac{1}{7}x \)
The solution to the given system of equations is (x, y). What is the value of x?
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解题思路
容易忽略的一步
\( y=\frac{1}{7}x \)
The solution to the given system of equations is (x, y). What is the value of x?
