5 ( x + 4 ) = 4 ( x - 6)
5x + 20 = 4x - 24
5x -4x + 20= 4x - 4x - 24
1x + 20 = -24
1x + 20 - 20 = -24 - 20
1x = -44
check
5 (-44 + 4) = 4 ( -44 - 6)
5 (-40) = 4 (-50)
-200 = -200
Character command shows the status.
This is definitely an opinion, but an excel you can do A and D and just about the same as B also
<u>So i'd say C </u>
A primary key is a field that contains data unique to a record