First you would follow the Order Of Operations: Parenthesis Exponent Multiplication Division Addition Subtraction Second step: You will add 6 and 4 together since addition came before subtraction in the Order Of Operations.You would get 10. Your equation should now look like: 13-10. Last step: You would subtract 10 from 13 since there are no other numbers Your answer should then be: 3 HOPE THIS HELPS! ^_^