Brandon and Diane are playing a number guessing game. Brandon thinks of a number, adds seven, and then multiples the sum by four before giving Diane the result . Write an expression for what happens to Brandon’s number, x.
Answer: 4x + 28
Explanation:
The number Brandon thinks of is the variable x.
First, he adds 7 to x.
His number is now x + 7
Then, he multiplies this by 4:
His number is now 4 (x + 7), which equals 4x + 28
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