Answer:
=> 6x + 15 + 9x - 10x - 8
=> 6x + 9x - 10x + 15 - 8
=> 5x + 7
Hence, correct answer is 5x + 7.
5x + 7
Step-by-step explanation:
6x + 9x + 15 - 10x - 8
6x + 9x - 10x + 15 - 8
6x + 9x - 10x + 7
15x - 10x + 7