\[
\begin{array}{ccc}
    \begin{array}{rcllrrrr}
    x_1^1 & = & (1 / 5) & (  0 & & + x_2^0 & - x_3^0 ) \\
    x_2^1 & = & (1 / 8) & ( 11 & - 2 x_1^0 & & + x_3^0 ) \\
    x_3^1 & = & (1 / 4) & (  3 & + x_1^0 & - x_2^0 & )
    \end{array}
& \rightarrow &
    \begin{array}{rcl}
    x_1^1 & = & 0,0000 \\
    x_2^1 & = & 1,3750 \\
    x_3^1 & = & 0,7500 \\
    \end{array}
\end{array}
\]