$$\left. \begin{array} { l } { x x } \\ { x = 5 , y = 8 x } \\ { \text { a n i n \right.$$
$z=25$
$$y=8\times 5$$
$$y=40$$
$$z=5\times 5$$
$$z=25$$
$$x=5$$ $$y=40$$ $$z=25$$
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