PLEASE HELP 50 POINTS!!
The sum of two consecutive numbers is 157. This equation, where n is the first number, represents the situation:
2n + 1 = 157.
What is the first number?
A. 77
B. 78
C. 79
D. 80

Answers

Answer 1
If a supposed number is n (say) then the consecutive number is n+1
If u add them n+(n+1) you get 157
So,
n+n+1=157
2n=156
n=78

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