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

asked Aug 25, 2019 136k views

1 vote

by Emdee

6.5k points

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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

Fred Yang answered Aug 25, 2019

5.5k points

3 votes

Answer:

Explanation:

18 + 3 = 21

28 - 7 = 21

Sll answered Aug 31, 2019

by Sll

6.1k points

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