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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? …

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? …
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3 votes
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

asked
User ChrisWay
by
8.3k points

1 Answer

0 votes
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
answered
User Tyler Bell
by
8.1k points
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