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What is the sum of three consecutive whole numbers with 4y as the middle whole number?

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User JorenB
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1 Answer

4 votes

Answer: 12y

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Step-by-step explanation:

4y is the middle value, or second value.

This means 4y-1 is the first value since it is immediately before 4y

Also, we know that 4y+1 is the value just after 4y

The order of the terms is: 4y-1, 4y, 4y+1

Add up those three expressions and simplify

(4y-1) + (4y) + (4y+1)

4y-1 + 4y + 4y+1

(4y+4y+4y) + (-1+1)

12y+0

12y

The three terms combine to 12y.

User Yossico
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