Question

Solve for x: |2x + 6| − 4 = 20

A. x = 9 and x = 11
B. x = −9 and x = 15
C. x = 9 and x = −15
D. No solution

PLEASE help im stuck on this question!

Answer 1

add 4 to both sides
|2x+6|-4+4=24+4
|2x+6|=24 <-----equation we are left with
2x+6=24 or 2x+6=-24 <---set solution to a postive value and a negative value since we are looking for the absolute value
Solve both for x

Answer 2

2x+6=24 and 2x+6=-24

Answer 3

thank you so much! @pooja195

Answer 4

:)

Answer 5

What did you get as the answer?

Answer 6

C

Answer 7

Good job :-)