again according to
http://www.purplemath.com/modules/orderops2.htm
= 16 ÷ 2[8 – 6] + 1
= 16 ÷ 2[2] + 1 (**)
= 16 ÷ 4 + 1
= 4 + 1
= 5
The confusing part in the above calculation is how "16 divided by 2[2] + 1" (in the line marked with the double-star) becomes "16 divided by 4 + 1", instead of "8 times by 2 + 1". That's because, even though multiplication and division are at the same level (so the left-to-right rule should apply), parentheses outrank division, so the first 2 goes with the [2], rather than with the "16 divided by".
That is, multiplication that is indicated by placement against parentheses (or brackets, etc) is "stronger" than "regular" multiplication.
just a note all math scholars across most forums with this problem all agree the equation is written poorly leading to this debate. it should either be;
(48/2)(9+3) or 48/(2(9+3)) however as it is written it is 2.
when you add the 9+3 =12 a * doesnt separate that 2. you would have 48/2(12). the parentheses still has to be resolved before you can divide.