Question 427540
{{{root (3,(z+1))= -3}}}


{{{(root (3,(z+1)))^3= (-3)^3}}}

{{{z+1= -27}}}

{{{z= -27-1}}}

{{{z= -28}}}


{{{root (3,(-28+1))= -3}}}


{{{root (3,(-27))= -3}}}


check:

{{{root (3,((-3)^3))= -3}}}....cancel root 3 and power 3

{{{-3= -3}}}