\refstepcounter{minipagecount}
\noindent{(\theminipagecount)}\quad

\begin{minipage}{0.65\textwidth}
    \begin{tikzpicture}[scale=0.7,>=stealth]
        % First class lever
        % rod
        \draw[fill=gray!20] (-0.25,0) rectangle (6,0.1);
        %fulcrum
        \draw[fill=black] (<<fulc_l>>,-0.5) -- (<<fulc_r>>,-0.5) node[below,xshift=2mm] {fulcrum} -- (<<fulc_c>>,0) -- cycle;
        %load
        \draw[fill=red] (-0.25,0.1) rectangle (0.25,0.6);
        \draw[->,thick] (0.0,0.35) -- (0.0,-2.15) node[midway,left,yshift=-0.5cm,align=center] {Load \\\\[-3ex] $F_L = <<force_l>>N$};
        %effort
        \draw[->,thick] (6,0.0) -- (6,<<effort_vector>>) node[midway,right,align=center] {Effort \\\\[-3ex] $F_E = <<ans_force_e>>N$};

        % Distance markers
        \draw[<->] (<<fulc_c>>,-2.5) -- (6,-2.5) node[midway,below,align=center] {$d_E = <<dist_e>>cm$};
        \draw[<->] (0,-2.6) -- (<<fulc_c>>,-2.6) node[midway,below,xshift=-0.5cm,align=left] {$d_L = <<dist_l>>cm$};
    \end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{0.3\textwidth}
    \begin{align*}
        F_E \times d_E &= F_L \times d_L \\
        F_E &= \frac{F_L \times d_L}{d_E} \\
        F_E &= \frac{<<ans_force_l>> \times <<ans_dist_l>>}{<<ans_dist_e>>} \\
        F_E &= <<ans_force_e>>N
    \end{align*}
\end{minipage}
