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Solve |x + 1| = 3

Question 5 options:

A)

x = 4

B)

x = 3 or x = 2

C)

No solutions

D)

x = –4 or x = 2

User Majed
by
3.8k points

2 Answers

12 votes
the answer is the letter F
User Stefano Barbi
by
3.7k points
1 vote

Answer:

D) x = - 4, x = 2

Explanation:


|x + 1| = 3 \\ \\ x + 1 = \pm \: 3 \\ \\ x + 1 = 3 \: or \: x + 1 = - 3 \\ \\ x = 3 - 1 \: or \: x = - 3 - 1 \\ \\ x = 2 \: or \: x = - 4 \\\\</p><p>x = - 4, \: x = 2

User David Risney
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3.2k points