A. 6x 10y=9
B. 6x=9
C. -10y = 15
D. 2x= 15

Answer:
6x = 9
Step-by-step explanation:
4x-5y = 12
2x+5y = -3
Add the equations together
4x-5y = 12
2x+5y = -3
-------------------
6x + 0y = 9
6x = 9
Answer:
B. 6x = 9
Step-by-step explanation:
4x - 5y = 12
+ 2x + 5y = -3
____________
6x + 0 = 9
Hence, option B. 6x = 9 is the correct answer.