Answer:
x-3=18
Step-by-step explanation:
Answer:
Add all pounds lost during 3 months. 3+7+4= 14. 4 lbsx4 months =16. 16-14=2. 2 lbs must be lost during the 4 month to stay consistent with the 4 lbs weight loss per month.
Step-by-step explanation:
2+12a. When adding, you're only collecting "like terms".
Nobody will give you the answer since you didn't put any number
Answer:

multiply x through out:

factorise out x²:

take square root on both sides:
