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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
answered
User Purushoth
by
7.9k 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).

answered
User Ndasusers
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7.1k points

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