Answer:
C
Step-by-step explanation:
What you do on one side of the equation, you do to the other. She added 10x on the right side and subtracted 10x on the left when she should have added 10x on both sides.
Answer:
from what I remember ide say A
C = -4 that’s the answer if you didn’t see my comment
Well, 3.7 is the same as 3 7\100 so as an improper fraction, it is 307/100 and then you multiply it by 2, top and bottom. there is your answere
14. 5
15. 2
16. -10
17. -3
18. 1
19. -20
