A + b = -1 b – a = 2a= ? b=? By Admin ReiPosted on December 11, 2022 A + b = -1 b – a = 2a= ? b=? A+b=-1b-a=2______-2a=-3a=-3/2 b-a=2b-(-3/2)=2b=2-3/2b=1/2