\(\Leftrightarrow12y-36=17\\ \Leftrightarrow12y=17+36=53\\ \Rightarrow y=\dfrac{53}{12}\)
12(y-3)=17
\(\Leftrightarrow\) 12y - 36 = 17
\(\Leftrightarrow\) 12y = 17 + 36
\(\Leftrightarrow\) 12y = 53
\(\Leftrightarrow\) y = \(\dfrac{53}{12}\)
\(12(y-3)=17\)
\(\Leftrightarrow12y=17+36\)
\(\Leftrightarrow12y=53\)
\(\Leftrightarrow y=53:12\)
\(\Leftrightarrow y=\dfrac{53}{12}\)