PLEASE HELP ASAP ITS DUE TODAY PLEASE ‼️‼️‼️

Jeff Cupid and Andrea are working on the follow problem and their work is shown
below. Who is correct? Explain why in a complete sentence.
Do not use Al to write your response for this question or there will be unfortunate
consequences.
Jeff Cupid's Work:
x+1.1
3.6
+ 1.1
+1.1
x = 4.7
Andrea's Work:
x+1.1 = 3.6
-1.11.1
x = 2.5