negative force <=== ===> positive force
Then the forces are +12n, -4n, and -3n.
The net force is their sum: (+12n - 4n - 3n) = +5 n .
(5 newtons, pointing to the right) .
The answer is 11N to the right
Because 4N-3N= 1N
The netforce is 11N to the right, because the greatest force is 12N to the right so it is more likely that the object is being pulled to the right.