Math Solve for both systems 3x - y = 20 and x + y = 4 Asked by AnneS2 on 26 Aug 11:23 Last updated by anonymous on 27 Aug 15:17

x + y = 4 x -x+ y = 4-x y = 4-x 3x - y = 20 3x - (4-x) = 20 3x-4+x=20 4x-4=20 4x-4+4=20=4 4x=24 4x/4=24/4 x=6 y = 4-x y = 4-6=-2