−1 < x + 3 < 5
To solve this, you need to isolate the X variable. To get x by itself, you need to subtract 3 from x+3 to get x.
Because you are subtracting 3 from one term, you need to subtract 3 from all the terms.
Subtract 3 from all terms:
-1-3 < x+3-3 < 5-3
The answer is:
-4 < x < 2