\(\left(y\div10+2,7\right)\div30=0,32\)
\(\Leftrightarrow\)\(\left(y\div10+2,7\right)=0,32\times30\)
\(\Leftrightarrow\)\(y\div10+2,7=9,6\)
\(\Leftrightarrow\)\(y\div10=9,6-2,7\)
\(\Leftrightarrow\)\(y\div10=6,9\)
\(\Leftrightarrow\)\(y=6,9\times10\)
\(\Leftrightarrow\)\(y=69\)