i do this in class but im not getting what its asking or how to do It kinda..

Answer:
n = −0.7, so the second one is the answer
Step-by-step explanation:
−2n + 1.8 = 3.2
Step 1: Subtract 1.8 from both sides.
−2n + 1.8 − 1.8 = 3.2 − 1.8
−2n = 1.4
Step 2: Divide both sides by -2.
-2/-2 = 1.4/-2
n = −0.7