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Sam chose a number. He then multiplied his number by 2 and added 7. His result was 23. What was his original number?

Sam chose a number. He then multiplied his number by 2 and added 7. His result was 23. What was his original number?
asked 151k views
1 vote
Sam chose a number. He then multiplied his number by 2 and added 7. His result was 23. What was his original number?

asked
User Axvm
by
7.7k points

2 Answers

6 votes

Answer:

8

Explanation:

make it an equation: 2x+7=23

simplify: 2x=16

and again x=8

answered
User Harry
by
7.9k points
2 votes
the original number was 8
answered
User Nicolas Guillaume
by
8.3k points
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