a: |x+6|+2>=2
=>A<=1/2
Dấu = xảy ra khi x=-6
b: \(B=\dfrac{2+2\left|x+1\right|+1}{1+\left|x+1\right|}=2+\dfrac{1}{1+\left|x+1\right|}\)
|x+1|+1>=1
=>1/1+|x+1|<=1
=>B<=3
Dấu = xảy ra khi x=-1
c: 1945-|2x-9|<=1945
=>C<=1945/2015
Dấu = xảy ra khi x=9/2
d: -1/5|2y+6|<=0
=>D<=8
Dấu = xảy ra khi y=-3
e: |x-1|+60>=60
=>2014/|x-1|+60<=2014/60
=>E<=2014/60-1954/60=1
Dấu = xảy ra khi x=1