Answer:
Solution:
, 3.5, -15, 5
Not a solution: 129 and 
Step-by-step explanation:
20 ≥ 5 + 3x
3x + 5 ≤ 20
3x ≤ 20 - 5
3x ≤ 15
x ≤ 5
x must be LESS than or EQUAL to 5
Answer:It should be x=1 not sure thought.
Step-by-step explanation:

Positive square root of 0.25 = 0.5
Hope this helps. - M