Simplify.

1+[2x-3 (1.8/0.2) ]

1+[2x-3 (1.8/0.2) ] < - first you do 1.8/0.2 which equals 9

1+[2x-3 (9) ] < - Now you multiply 3 by 9 which equals 27

1+[2x-27] < - You take off the [ ] since there is only addition and subtraction

1+2x-27 < - You do 1 - 27 which equals - 26 and the final answer is ...

2x - 26