A father is now three times as old as his wife son. Twelve years ago, he was six times as old as his son. He was Fine the present age of each ( the father and the son).
Equation: 3x-12 = 6(x-12)
Solving for x
3x-12 = 6x - 72
60 = 3x
20 = x, son's age now. The father is now 60.