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If 18 +3 = n-7 then what is n
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1 vote
If 18 +3 = n-7 then what is n

User Emdee
by
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2 Answers

3 votes
1. Simplify 18 + 3 to 21. 21 = n - 7
2. Add 7 to both sides. 21 + 7 = n
3. Simplify 21 + 7 to 28. 28 = n
4. Switch sides. n = 28
User Fred Yang
by
5.5k points
3 votes

Answer:

28

Explanation:

18 + 3 = 21

28 - 7 = 21

User Sll
by
6.1k points
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