Answer :
its a
because you add 6x to the other side with the 42 which would look like 6x + 42
and divide by 2 on each side which equals [tex]y \leq 3x+21[/tex]
because you add 6x to the other side with the 42 which would look like 6x + 42
and divide by 2 on each side which equals [tex]y \leq 3x+21[/tex]