Answer:
2
Step-by-step explanation:
3/8+3/4+7/8
=3/8+6/8+7/8
=16/8
=2
Option A is your answer
Answer -
8x - (sum of x and 7)
= 8x - (x + 7)
= 8x - x - 7
= 7x - 7
= 7(x - 1)