The sum of the ages of a father and a his son is 72 years. After 2 years, father will be 4 years less than 3 times the age of his son. Find their present ages.
f+s = 72
f+2 = 3(s+2)-4
now just crank it out.
f+2 = 3(s+2)-4
now just crank it out.