contestada

Which expression is equivalent to 1/2a + c - (3/2a - 3/4b) + 1/3c?

A. 2a - 3/4b + 1/3c
B. 2a - 3/4b + 4/3c
C. -a + 3/4b + 4/3c
D. -a - 3/4b + 4/3c