Answer :
A=-2 B=2
A doesn’t change on its side so it is negative 2. For B you subtract 2 on both sides making it 3b=6 then you divide both 3b and 6 by 2 and you get b=2.
A doesn’t change on its side so it is negative 2. For B you subtract 2 on both sides making it 3b=6 then you divide both 3b and 6 by 2 and you get b=2.