What two numbers add together to make -15?

Answer 1

Well there are quite a few numbers that added together will equal negative 15:

here are just a few examples:

negative 1 plus negative 14 equals negative 15 (-1 + -14 = -15)

negative 2 plus negative 13 equals negative 15 (-2 + -13 = -15)

negative 3 plus negative 12 equals negative 15 (-3 + -12 = -15)

negative 4 plus negative 11 equals negative 15 (-4 + -11 = -15)

negative 5 plus negative 10 equals negative 15 (-5 + -10 = -15)

negative 6 plus negative 9 equals negative 15 (-6 + -9 = -15)

negative 7 plus negative 8 equals negative 15 (-7 + -8 = -15)

negative 30 plus positive 15 equals negative 15 (-30 + 15 = -15)

negative 29 plus positive 14 equals negative 15 (-29 + 14 = -15)

negative 28 plus positive 13 equals negative 15 (-28 + 13 = -15)

and on an on it goes.