Final answer:
To translate the given sentence into an equation, the equation would be 2x - 5 = 9.
Step-by-step explanation:
To translate the given sentence into an equation, let's consider the unknown number as x. The product of 2 and a number can be represented as 2x. Five less than 2x can be written as 2x - 5. And this expression should equal 9. So, the equation is:
2x - 5 = 9
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