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Twice a number, decreased by 9 is 12
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3 votes
Twice a number, decreased by 9 is 12

User Kjg
by
4.7k points

2 Answers

4 votes

Answer:

10.5

Explanation:

2x-9=12

2x=12+9

2x=21

x=21/2

x=10.5

User Azerole
by
5.1k points
4 votes

Answer:

10.5

Explanation:

User Daniel Heinrich
by
5.1k points
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