this is how to do B.E.D.M.A.S step1 look for any brackets or exponents in the question. (3x3)+9÷3.In this case there's not so do the brackets. (3x3)=9now that you got that time to divide. 9÷3=3now add 3+9=12 when your done all questions should look like the one i just showed you.
ONE IMPORTANT RULE: Always remember to follow the orders of operations witch are brackets,exponents.multiplication,division,addition,subtraction