Use P(parenthesis)E(exponents)MD(multiplication+division)AS(addition and subtraction Always go left to right when solving First, do 12/3 9+4-1*4+2 Next multiply -1*4 9 + 4 - 4 + 2 Next 9+4 13 - 4 + 2 Next 13-4 9 + 2 Last step Your answer is 11 Hope this helps!