Starting equation:
32=T+O+A
We need to enter in the information we know into the equation. The information we know is:
T=8+O
A=O-9
32=(8+O)+O+(O-9)
Combine like terms
32=-1+3O
Add 1 to both sides
33=3O
Divide by 3 on both sides to isolate variable
11=O
Answer:
11 kids were born in Oklahoma
19 kids were morn in Texas
2 kids were born in Arizona
