Answer:
x - 3 = 6
Step-by-step explanation:
In all of the other equations... when you solve for x... you get x = 6.
x -3 = 6 does not end up with x = 6... rather x = 9 in that equation
the 2nd one
1. 6-2=4
2.9-3=6
3.6-5=1
4.6-6=0
all 6's except 2nd
