Question

What number should be added to -85 to get a sum of -2?

Answer 1

Sum =-85+x
-2=-85+x
85-2=x
or x=83

Answer 2

Thank you.

Answer 3

when numbers are positive
to get to negative
subtract

( - ) ______________________
/ V

<------|---------|---------|------->
- 5 0 5
^
L___________________> ( + )

when numbers are negative
to go to the positive side
add