Respuesta :

Given the equation:

y + 8.5 = 17.2

To solve for y, we need to isolate it. This can be done by canceling the 8.5 with a subtraction:

y + 8.5 - 8.5 = 17.2 - 8.5

The solution is:

y = 8.7

Answer:

Subtract 8.5