|4*x + 1| <= |2*x - 3| + 2*|x - 2|
|4*x + 1| <= 2*|x - 2| + |2*x - 3|
(-oo, 3/4]
x in Interval(-oo, 3/4)
And(x <= 3/4, -oo < x)
(x <= 3/4)∧(-oo < x)