I need help with this  x + 4  ≤ 15 ?
Absolute value means "distance from zero".
For example, 5 = 5, because 5 is 5 away from zero. x + 4 ≤ 15 means the distance that (x + 4) is away from zero is less than or equal to 15. There are two numbers that are 15 away from zero......15 and 15. If the distance away from zero is less than or equal to 15, then (x + 4) would be in between 15 and 15 15 ≤ x + 4 ≤ 15 {(x + 4) is in between 15 and 15} 19 ≤ x ≤ 11 {subtracted 4 from the left, middle, and right} Ask the House
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