Math Solve for 3x + y = 25 and 3x + 5y = 17 Asked by AnneS2 on 14 Jul 08:44 Last updated by anonymous on 15 Jul 16:18
3x + y = 25 3x + y-3x = 25-3x y= 25-3x 3x + 5y = 17 3x + 5(25-3x) = 17 3x + 5(25) (5)(-3x) = 17 3x+125-15x=17 125-12x=17 125-12x-125=17-125 -12x=-108 -12x/-12=-108/-12 x=9 y= 25-3x y= 25-3(9) y= 25-27=-2