5 7y 2 3y 4 1 7 July 8, 2019 16 32 64 128 5 4(3y - 2) - 7 2(2y - 3) = 1 2 4 + (7y - 3)/5 (3y + 5)/4 - (3y)/2 5 6 - 7y = - 4(2y - 0 9) + 2 4
