Answer:
y=63
Explanation:
Start off by adding 13 to both sides:
1/3y-13=8
+13 +13
Now you have this:
1/3y=21
Now multiply each side by 3/1 (3) to get your answer:
(3) 1/3y=21 (3)
Y=63
Check your answer:
63/3=21 21-13=8
I hope this helps, and have a great day! <3 :)