ggaming309 ggaming309 31-05-2018 Mathematics contestada 2. Which expression is equivalent to the expression shown below? 20 + 8y - 9y - 21 Select each correct answer. 2(10 + 4y - 7y - 19) 2(10 + 4y) - 3(3y - 7) 4(5 + 2y - 5y - 17) 4(5 + 2y) - 3(3y + 7) -(y + 1) -(1 - y) y - 1