Verified Answer :

-9 - 11 = 29 + 4

First, add -9 - 11 to get -20.
\(-20 = 29 + 4\)
Second, add 29 + 4 to get 33.
\(-20 = 33\)
Third, -20 = 33 is false, so there is not a solution.

Answer: No solution