If you want to solve the equation -5 - (15 y - 1) = 2 (7 y - 16) - y, you can calculate this using the following steps:
-5 - (15 y - 1) = 2 (7 y - 16) - y
-5 - 15 y + 1 = 14 y - 32 - y
-5 + 1 + 32 = 14 y - y + 15 y
28 = 28 * y /28
y = 1
The result is 1.
