Try another version of this question Which shows how you can rewrite `-1+1` using the Commutative Property of Addition? `-1 + 0 = -1` `(-1 + 1) + 6 = -1 + (1 + 6)` `-1 + 1 = 1 + -1` `-1 + 1 = 1 + -1`
Try another version of this question