4(5y-8-2)=185-15

Let's first simplify both sides of the equation:

4(5y - 8 - 2) = 185 - 15
4(5y - 10) = 170
20y - 40 = 170
20y = 210
y = 210 / 20
y = 10.5

Therefore, the solution to the equation is y = 10.5.