Math Solve for both systems: y + 3x = 21 and y = - 4x + 26 Asked by AnneS2 on 12 Aug 06:27 Last updated by anonymous on 13 Aug 15:02
y + 3x = 21 y + 3x-3x = 21-3x y= 21-3x y = - 4x + 26 21-3x = - 4x + 26 21-3x+4x = - 4x+4x+ 26 21+x=26 21+x-21=26-21 x=5 y= 21-3x y= 21-3*5 y= 21-15=6