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Select the correct answer.

The sum of two consecutive numbers is 157. This equation, where \(n\) is the first number, represents the situation: [tex]2n + 1 = 157[/tex]. What is the first number?

A. 77
B. 78
C. 79
D. 80

Answer :

Answer:

The equation 2n + 1 = 157 represents the situation where the sum of two consecutive numbers is 157.

To find the first number, we can start by subtracting 1 from both sides of the equation:

2n = 156

Then we can divide both sides by 2:

n = 78

So the first number is 78, which corresponds to the answer choice B.

Step-by-step explanation:

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