Answer: The answer is 2x + 7.
Explanation: First, we need to add the numbers:
9x + 3 – 7x + 4
9x + 7 - 7x
And finally, we combine like terms:
2x + 7
Answer: 10.67
Step-by-step explanation:
- 2( 8x^2 - 12x - 15 )