Answer :
18 < 3 + 5 < 2 - 2x
18 < 8 < 2 - 2x
-2 -2 -2
16 < 4 < -2x
-2 -2 -2
-8 < -2 < x
x > -2 > -8
-8 < x < -2
18 < 8 < 2 - 2x
-2 -2 -2
16 < 4 < -2x
-2 -2 -2
-8 < -2 < x
x > -2 > -8
-8 < x < -2