What? I don't understand what you mean...
Answer:Gary-18 years brother-10 years
Step-by-step explanation:1st case: brother=1 yrs,gary=3 yrs=>after 6 after: brother =7 yrs gary=9 years
2nd case:......
3rd case:.....
4th case:brother:4 years gary:12 yrs=>after 6 yrs:brother=10 yrs gary=18 yrs=>18-10=8
Answer:
(x+9,y-12)
Step-by-step explanation:
sorry if this didnt help
Answer:
I'm pretty sure step 1 Is where he made the mistake