log(1) log(1) ------*(x + 11) <= ------*(7 - x) 2 2
(log(1)/2)*(x + 11) <= (log(1)/2)*(7 - x)
And(-oo < x, x < oo)
(-oo < x)∧(x < oo)
(-oo, oo)
x in Interval(-oo, oo)