Find the missing value. Hint: Use the number line to find the missing value.
–9+ = -3
I need help

The answer is 6

start at -9 and jump from each number
until you get to -3

now count the amount of spaces you jumped until you got to -3

you jumped 6 spaces to -3

if you jumped to the right the answer is a positive

if you jumped to the left the answer is negative