Answer:
-13 ≤ x ≤ 11
Step-by-step explanation:
|x+1| ≤12
There are two solutions, one positive and one negative, remembering to flip the inequality for the negative
x+1 ≤12 x+1 ≥-12
Subtract 1 from each side
x+1-1 ≤12-1 and x+1-1 ≥-12-1
x ≤11 and x ≥-13
-13 ≤ x ≤ 11
