連立方程式

simultaneous-equations.png
\left\{
    \begin{array}{l}
      2x + 4y = 10 \\
      x + 3y = 6
    \end{array}
  \right.
(1)
\begin{align} \left\{ \begin{array}{l} 2x + 4y = 10 \\ x + 3y = 6 \end{array} \right. \end{align}
 \begin{cases}
    2x + 4y = 10 & \\
    x + 3y = 6 &
  \end{cases}
(2)
\begin{cases} 2x + 4y = 10 & \\ x + 3y = 6 & \end{cases}

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