ONE QUESTION, ONE STEP
ZX-4F6D1324D0Bluebook试题6 · 第 12 题
Bluebook试题6 · 原库模块 2 · Q12 原库参考解析
(x-2)-4(y+7)=117
(x-2)+4(y+7)= 442
The solution to the given system of equations is (x, y). What is the value of 6( x- 2)?
参考答案：
解题思路
容易忽略的一步
(x-2)+4(y+7)= 442
The solution to the given system of equations is (x, y). What is the value of 6( x- 2)?
