3	5 f 11 x
4	(9-5 x)+(2 x-8)
5	2(3 x-1)+x	3x-2
6	\begin{tabular}[t]{l} 3 x-15+8
8+3(x-5)
3 x-15

& \\

\hline 7 & 7(4 x-2)+8 x+9 & \\

\hline

\end{tabular}