Use the distributive property to write an expression that is equivalent to each expression. I you get stuck, consider drawing boxes to help organize your work.
a. 9(4x-3y- 2/3 )
b. -2(-6x+3y-1)
c. 1/5 (20y-4x-13)
d. 8(-x- 1/2 )
e. -8(-x- 3/4 y+ 7/2 )