# 15 equals 5 plus 9p-4p?

15 = 5 +( 9p - 4p)

15 = 5 + 5p

15 - 5= 5 -5 +5p

10 = 5p

there for p = 10/5 = 2

### What two numbers add together to make -15?

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…