Answer:
d
Step-by-step explanation:
2 books
10 + 5x = 16 + 2x
- 2x - 2x
10 + 3x = 16
-10 -10
3x = 6
/3 /3
<u>x = 2</u>
the answer is A I hope this helps
RQ + QS = RS
Hope this helps!