-11 < 4-x < -7
-15 < -x < -11
15 > x > 11
or
11 < x < 15
similarly for the other
1. solve the following inequality to find a range of values for x: -11 < -4-x < -7
2. solve the following inequality to find a range of values for x: -25 < -x < -10
1 answer