Help plz i can't get it

$$\\ \left{$-5w+11=51$ \hspace{36mm} | $-11$} \\ \left{$-5w = 40$ \hspace{42mm} | $:5$} \\ \left{$-w = 8$ \hspace{48mm} | $*(-1)$} \\ \left{$w = -8$} \\$$