Question

What is the value of 2x{6+[12/(3+1)}-1

Answer 1

2 {6 + [12/(3 + 1)]} - 1
2 { 6 + 12/4} - 1
2 { 6 + 3 } - 1
2 {9} - 1
18 - 1
17 <===

Answer 2

Start with innermost parenthesis-(3+1)=4
then the next-12/4=3
then add 6=9
then multiply by the 2=18
then subtract 1

=17