Question 1057805
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How do you turn this sentence into an equation and solve. Your friend has owned a dog for 9 years. 
This is one year less than twice as long as he has owned a cat. How long has your friend owned his cat?
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Mathematical translation is 

9 = 2x - 1.

Solution:

9 + 1 = 2x,

2x = 10,

x = {{{10/2}}} = 5.

<U>Answer</U>.  He has a cat for 5 years.
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