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Thu wants to play “Guess My Number,"she states. “When I triple my number and add five ,I get twenty-six.what is my number?" What is her number? Show how you know
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Thu wants to play “Guess My Number,"she states. “When I triple my number and add five ,I get twenty-six.what is my number?" What is her number? Show how you know

User Ryan Copley
by
7.7k points

2 Answers

5 votes
Her number is 7. You simply subtract 5 from 26 and get 21 then you divide it by 3 and get 7. Basically you are reversing the steps she stated.
User DLS
by
8.0k points
2 votes
3x + 5=26
subtract 5 from both sides
3x=21
divide by 3
x=7
User Tankobot
by
8.7k points
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