Question 477200
{{{3+4(1/2-3/4)}}}



{{{3+4(2/4-3/4)}}}



{{{3+4((2-3)/4)}}}



{{{3+4(-1/4)}}}



{{{3-4/4}}}



{{{3-1}}}



{{{2}}}



So {{{3+4(1/2-3/4)=2}}}, which means you have the correct answer.