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represent the following phrase as an algebraic expression, where \a number\ is the letter x. you do not need to simplify.

the product of 9 and the sum of a number and 1.

Explanation:

Step1: Identify the sum part

The sum of a number (x) and 1 is $x + 1$.

Step2: Find the product with 9

The product of 9 and the sum from Step 1 is $9\times(x + 1)$ or $9(x + 1)$.

Answer:

$9(x + 1)$