Answer:
y=27
Step-by-step explanation:
27
0.5( y -3) = 12
0.5 y - 1.5 =12
+ 1.5. = + 1.5
----------------------------
0.5 y = 13.5
y = 13 .5 * 10
-------
5
= 2.7* 10
= 27
