“微信扫一扫”进入题库练习及模拟考试
初中数学七年级下册（573题）
用加减消元法解方程组
{x + 3y = 8} \\
{5x - 3y = 4}
\end{array}} \right.\)
知识点：第八章 二元一次方程组
参考答案：\(\left\{ {\begin{array}{*{20}{l}}
{x = 2} \\
{y = 2}
\end{array}} \right.\)
“微信扫一扫”进入题库练习及模拟考试
用加减消元法解方程组
{x + 3y = 8} \\
{5x - 3y = 4}
\end{array}} \right.\)
参考答案：\(\left\{ {\begin{array}{*{20}{l}}
{x = 2} \\
{y = 2}
\end{array}} \right.\)