218k views
4 votes
N-30=10 n-30+30=10+0

User Bnsh
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8.4k points

2 Answers

4 votes

Answer:

50

Explanation:

User Amila
by
7.9k points
3 votes
1.answer = 20 2. answer = 50
User Blake Petersen
by
7.3k points

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