By showing that the numbers of atoms of the same type are equal on both sides.
Answer:

Step-by-step explanation:

Answer:
ABCDEFG
Step-by-step explanation:
Answer:
Add the 3050
1000
2050
900
= 7000
=15* 200 =3000
3000 + 7000 = 10000
Step-by-step explanation:
I am pretty sure the answer is 14