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Three times the sum of a number and nine is 12. Find the number.
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12 votes
Three times the sum of a number and nine is 12. Find the number.

User Startoftext
by
4.4k points

2 Answers

5 votes

Answer:


- 5

Explanation:


3(x + 9) = 12

User Talen Kylon
by
3.9k points
9 votes

Answer:

7

Explanation:

3x+9=12

3x=21

x=7

User Chu
by
5.0k points
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