Analog Electronics Troubleshooting

Make sure the longer leg of the LED light is connected in the breadboard on the power and the shorter leg is connected to ground
Be sure the the legs of components aren’t touching, so current will run where you want it to go. It will take the path of least resistance.
Make sure to have the battery unplugged from the circuit when using the multimeter to test resistance
Make sure to check what the multimeter settings are before measuring to make sure you are getting a correct reading
Steady your hands and find a comfortable position (each person is different) that is best for you when soldering
You must have your negative power and positive power connected to the op amp for it to work