Question

The sum of a number and 9 is -2.

a.
n - 9 = -2; 7
c.
-n + 9 = -2; 11
b.
n + 9 = -2; -11
d.
n + 9 = 2; -7

The sum of -5 and a number is -15.

a.
-5 + n = -15; -10
c.
n + 5 = -15; -20
b.
5 - n = -15; 20
d.
5n = -15; -3

Answer 1

number = n
and sum of "n" and 9 is -2
so
n+9=-2

Answer 2

wat about the other one???

Answer 3

do it same way as i did this one.
number =n and
n +(-5) = -15