"$8$ years ago, father's age was $8$ times son's age" gives — ($x$ = father's, $y$ = son's present age)

Question

Accepted Answer

$x - 8 = 8(y - 8)$

Answer

$x = 8y$

Answer

$x + 8 = 8(y + 8)$

Answer

$x - y = 8$

"888 years ago, father's age was 888 times son's age" gives — (xxx = father's, yyy = son's present age)