Question

solve plzzzzzzzzzzzzzzzzzz

Answer 1

Hope this helps you

Answer 2

Break the equation into 2 halves.
-2/3<1+x/3
-2/3-1<x/3
-5/3<x/3
-5<x
1+x/3<=2/3
x/3<=-1/3
x<=-1
-5<x<=-1
Solution set
={x:-5<x<=-1, x belongs to R}