3y 5 4 y 6 2 July 8, 2019 16 32 64 128 3y 4 2y 5 )= 6 y 3 )- 15 3y 2 4 ≥ 5 or y 6 3 1 - 3(4 - 5y) + 2(3 - 6y) = - 3 9 6(y - 1 5) - 3 4 4y - 2 4 3 y - 5 - 2y - 4 = 8 6y-4 5=-23 7
