x + 3x + 5 = 21
Question
Updated 328 days ago|2/25/2018 8:21:52 AM
This conversation has been flagged as incorrect.
Flagged by jeifunk [2/25/2018 8:21:52 AM]
Original conversation
User: x + 3x + 5 = 21

Weegy: 3x + 4x - 7 = 21
7x = 21 + 7
7x = 28
x = 28/7
x = 4

User: Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x. A. x = 26 B. x = –15 C. x = 15 D. x = –26

Question
Updated 328 days ago|2/25/2018 8:21:52 AM
This conversation has been flagged as incorrect.
Flagged by jeifunk [2/25/2018 8:21:52 AM]
Rating
3
x + 3x + 5 = 21
(x + 3x) + (5) = 21
4x + 5 = 21
4x = 21 - 5
4x = 16
x = 16/4
x = 4
Added 328 days ago|2/25/2018 8:21:48 AM

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