$$\left. \begin{array} { l } { x = 1.25 = 0.25 x + 8 } \\ { 0.25 ( 4 ( 0.31 ) - 5 ) = 0.35 ( 0.319 + 5.31 ) + 5 } \\ { 0.25 ( 4 ( 371 ) - 5 ) = 0.75 ( 37 ) + 5 } \\ { 0.25 ( 4 ( - 37 ) - 5 ) = 0 \right.$$
