Use the given graph supplied to find the solutions of pair of simultaneous equation.
$$\begin{gathered} y=4-2x \\ y+7x+1=0 \end{gathered}$$

Use the given graph supplied to find the solutions of pair of simultaneous equation.
$$\begin{gathered} y=-2 \\ y+7x+1=0 \end{gathered}$$

Use the given graph supplied to find the solutions of pair of simultaneous equation.
$$\begin{gathered} y=x \\ y=4-2x \end{gathered}$$