3.1k views
4 votes
For math test . let me know .

For math test . let me know .-example-1

2 Answers

4 votes
messed up on 3rd step i think
User Purushoth
by
5.8k points
6 votes

Answer:

J

Explanation:

Nadine got a mistake in step 4 because -19 when transferred to the other side that would become 19. Therefore, the result of the right side of the equation should be 40 (21 + 19).

User Ndasusers
by
4.6k points