5 6y 4y 2 2y 2 5y 12y 3 July 8, 2019 16 32 64 128 5y - 12 - (2y + 4) = 5 4 5y-2 3y+1 6y 5 6 - 7y = - 4(2y - 0 9) + 2 4
