16. would be C since they both consist of the same variable to the same power
17. x-2x+7-9+4x
c. 3x-2
18. -4(3a-5). You would multiply -4 by 3 a, and -4 by -5. It turns to
-4(3a)-4(-5)
a. -12a+20
Answer:
7
Step-by-step explanation:
6.7 rounds up to 7
Use PEMDAS, the answer that I got is 19.
Answer:
the answer is a where x=8
Explanation:
cross multiplication method