Question

What are the solution intervals for |2x + 7| – 3 > 2?

x < 6 and x > –1

x > –6 and x < 1

x < –6 or x > –1

x > 6 or x < –1

Answer 1

First option

Answer 2

|2x+7| -3 +3 > 2+3
|2x+7| > 5

2x+7 > 5 2x+7 > -5
2x > 5-7 2x > -5 +7
x > (5-7)/2 x > (-5+7)/2
x > ? x > ?

Answer 3

|2x + 7| – 3 > 2; |2x + 7| > 5;
-5 > 2x + 7 > 5; -12 > 2x > -2;
-6 > x > -1 ; so x < -6 and x > -1
third option

Answer 4

yeah @knock is correct. my bad.

Answer 5

(: