Question

Solve -7 < x + 2 < 4

Answer 1

-7-2<x<4-2
-9<x<2

just subtract 2 from all portions in order to isolate x

Answer 2

-9 < x < 2

Answer 3

Make it in the simplest form where you get just x... nothing else.

Answer 4

treat this as two inequalities separately

1) -7<x+2
2) x+2<4

solve

1)-9<x
2)x<2

-9<x<2 ......answer :D

Answer 5

my method might sound a bit Lengthy but once you are used to it you can find the answer by short method too.

First try the the lengthy method to avoid any errors