Answer:
Subtraction property of equality.
Answer: 12 21
Step-by-step explanation:
This is a trick question. 7 families had a parakeet.
For 3/9, the repeating decimal is .3
Answer:
x=11
Step-by-step explanation:
You do 38/3x+3 and 19/x+7 and then cross mulitply and get 57x+57=38x+266. Then yoy subtract 57 from 266 and get 57x=38x+209. Now you have to subtract 38 from 57 and then answer will be 19. So now you have 19x=209. Finally you divide 209 by 19 and get x=11. Good luck!
