MATH

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?

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  1. -8

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  2. ckqrpj lcahikrqm xzjfsl rwcodntys yuofljdk ruepl divq

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