“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：
{4x + 3y = 3} \\
{3x - 2y = 15}
\end{array}} \right.\)
知识点：第八章 二元一次方程组
参考答案：\(\left\{ {\begin{array}{*{20}{l}}
{x = 3} \\
{y = - 3}
\end{array}} \right.\)
“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：
{4x + 3y = 3} \\
{3x - 2y = 15}
\end{array}} \right.\)
参考答案：\(\left\{ {\begin{array}{*{20}{l}}
{x = 3} \\
{y = - 3}
\end{array}} \right.\)