Question

What is the sum of -2+9=

Answer 1

Same signs add and keep different signs subtract keep the sign of the higher number then you'll be exact. (This is a song I learned to help me with problems like these, sing it to the rhythm of row row row your boat) Your answer would be positive 7.

Answer 2

your answer will be 7

-2+9 is the same as 9-2

hope this helps