You can put this solution on YOUR website! Ann's age=A, Greg's age=A+8 Sum=34
A+A+8=34 subtract 8 from each side
2A+8-8=34-8 divide each side by 2
2A/2=26/2
A=13 Ann is thirteen years old
Greg is A+8=21 Greg is 21 years old
CHECK
The sum of Ann and Greg is 34
13+21=34
34=34