If you would like to solve the equation 4 x - (9 - 3 x) = 8 x - 1, you can calculate this using the following steps:
4 x - (9 - 3 x) = 8 x - 1
4 x - 9 + 3 x = 8 x - 1
4 x + 3 x - 8 x = -1 + 9
-1 * x = 8 /(-1)
x = -8
The result you are looking for is -8.
