4x - 2y ≥ 6
Isolate the y. First, subtract 4x from both sides
4x (-4x) - 2y ≥ 6 (-4x)
-2y ≥ 6 - 4x
Divide -2 from both sides, note that when dividing a negative, you must flip the sign.
(-2y)/-2 ≥ (6 - 4x)/-2
y ≥ (-3 +2x)
y ≥ 2x - 3 is your answer
hope this helps