82.8k views
2 votes
9+(-7)
What is sebastian's error?

User Gnopor
by
7.0k points

1 Answer

3 votes

Answer:

He took 9 instead of -9 and -7 instead of only 7

Explanation:

This will represent by -9 not only 9 in integers. Then, the movement of Sebastian is given by +7+(-9) Therefore, Sebastian's error is: He took 9 instead of -9 and -7 instead of only 7

User Arturovm
by
7.4k points