log(7*x + 4) -------------- > 0 log(2*|x| + 1)
log(7*x + 4)/log(2*|x| + 1) > 0
(-3/7, 0) U (0, oo)
x in Union(Interval.open(-3/7, 0), Interval.open(0, oo))
Or(And(-3/7 < x, x < 0), And(0 < x, x < oo))
((-3/7 < x)∧(x < 0))∨((0 < x)∧(x < oo))