You can put this solution on YOUR website! Cary is 9 yrs. old than Dan. In 7 years their ages 93. Find the ages of each man now.
Let Dan's age be x now
Cary's age now will be x+9
after 7 years
(x+7) + (x+9+7) =93
2x+23=93
2x=93-23
2x=70
x=35 which is Dan's age.
Cary will be 35+9 = 44 years.