1. combine like terms (2x and -7x) to create -5x
2. subtract 5 from each side to create: -5x=10
3. divide both sides by -5
4. x=-2
The answer would be be between 1 and 0.7
Answer: B, E
Step-by-step explanation:
3^-2 = 0.111111111 ← Answer
The answer is B. I hope it help :)