Answer:
2x+7
Step-by-step explanation:
To Simplify an Expression , we combine Like-Terms
So for our Question , we have Terms with x and Constant Term
Combine Terms with x : 5x-2x-x=2x
Constant Term : 7
Then 5x-2x+7-x = 2x+7
The third equation is the correct one. After 100 years, about 115 grams will remain.
I think im not completely sure but it might be -3
Answer:
I will help you wit what you need
Step-by-step explanation:
I believe the answer is 24 times
hope this helps!