Answers

2016-06-20T21:03:24+08:00
-25 + 16 = -9

Subtract: 25 - 16  (absolute value)
Follow the sign of the one with greater absolute value (which is -25)
^
1 5 1
this is your answer?
yea. if there's something you couldn't understand 'bout it, you can ask me. sorry if it seems a little bit confusing .-.
its ok thank you
no prob :)
31+(-23)