[tex]\Huge{\boxed{\mathbb{\pink{ANSWER:}}}}[/tex]
[tex] = \sf{y - 7.42 = 8.2}[/tex]
[tex] = \sf{y = 8.2 + 7.42}[/tex]
[tex] \sf{ = y = 15.62 }[/tex]
Answer: [tex]y=15.62[/tex]
Add 7.42 to both sides
[tex]y-7.42+7.42=8.2+7.42\\y=15.62[/tex]
