How do you simplify 5- -8? Prealgebra Negative Numbers and Absolute Value Negative Numbers 1 Answer Barney V. ยท Teun Dec 15, 2016 13 Explanation: 5- -8 =5-(-8) =5+8 =13 Answer link Related questions How do you compute -8+13? How do you compute 11+(-19)? How do you compute -19-8? How do you compute -77+(-46)? How do you compute 41+(-56)? How do you compute 50-82? How do you compute -47-13? How do you compute -80+102? How do you compute 5(18)? How do you compute -64div(-8)? See all questions in Negative Numbers Impact of this question 1923 views around the world You can reuse this answer Creative Commons License