Answer: D. 23/63x + 1/4
Step-by-step explanation:
(1/7x + 3/8) + (2/9x - 1/8)
Combine like terms
3/8 + -1/8 = 2/8
Next, combine 2/9x + 1/7x = 23/63x
Therefire, 23/63x + 1/4 is the simplest form
