Unity 2d…Bullet Intantiate on left….but instantiate on right but not showing in game mode

I am using unity 2d engine…I instantiate a bullet from a weapon…and put speed of bullet in start method as…. rb.velocity =transform.right * _speed;…..but the problem is bullet when fire in left then it shows the bullet in game mode but when firing right the bullet intantiate and shows the bullet in hierarcy but it is not showing in scene mode nor in game mode