I'M HAVING A PROBLEM WITH THIS PROBLEM,IT SAY'S FIND THE MISSING NUMBER HERE IS AN EXAMPLE PROBLEM, _ + 7 + -7 = -8 ,I NEED HELP WITH THAT .
First: + 7 + -7 = 0
___ + 0 = -8
Do you see what the answer is now?
WHAT MISSING NUMBER GO IN THAT SPACE,I DON'T UNDERSTAND YOUR EXAMPLE.SO YOU'RE SAYING THE ANSWER IS ZERO.ZERO IS THE MISSING NUMBER?