Question

Solve -7 < x + 2 < 4.
A. -9 < x < 2
B. -5 < x < 6
C. x < 2 or x > -9
D. no solution

Answer 1

If you subtract 2 from each of the 3 terms what do you get?

Answer 2

D?

Answer 3

No. What is the result of each of these;
-7 - 2 = ?
x + 2 -2 = ?
4 - 2 = ?

Answer 4

oh, I accidentally did -2 - 7 lol

Answer 5

A?

Answer 6

A is the right choice. Well done :)
BTW: -2 - 7 = -9 and -7 - 2 = -9. The order doesn't matter in this case.