2024年5月北美B卷 · 第 7 题

2024年5月北美B卷 · 原库模块 2 · Q7 原库参考解析

In the figure shown, line r is parallel to line s, and both lines are intersected by line t. If \( x=2w+24 \) , \( y=5w+28 \) , and \( 7w=a \) , where a is a constant, what is the value of a?