4y 1 3 2y 1 2 3y 7 5 47 10 July 8, 2019 16 32 64 128 4) 3) (7y - 1)/12 - (y + 1)/4 = (2y + 5)/3 (2 - 7y)/6 + (4y + 7)/3 = - y/2 4(3y + 1)^2 – 27 = (4y + 9) (4y - 9) + 2(5y + 2)(2y – 7) 4y - (3y - (2y - (y + 1)))
