The temperature fell 11 degrees.

-11 if 0

Step-by-step explanation: Subtract 11 from the number you have if it is 0 then it will be negative 11/ -11

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5