Solve: 9-5[8-3]*2+6

Question

first 9- 5[5]*2+6
second 9-1*2+6
third 9- 2+6
fourth 7+6
fifth 13

Answer 1

write it up this way:

9-5[8-3]*2+6
= 9 - 5[5]*2 + 6
= 9 - 50 + 6
= -35

I have no idea what happened in your "second" step