5 3y y 2 4 7 July 8, 2019 16 32 64 128 9 y 4 )= 5 3y 2 )+ 7y Y 2 3y 5 y 2 7y 4 Subtract and simplify y 2 3y 5 y 2 7y 4 2 3y 5 )- 7 y 4 )= 13 5 4(3y - 2) - 7 2(2y - 3) = 1 2 4 + (7y - 3)/5 (3y + 5)/4 - (3y)/2