Question 253015
Let J = Jaime's present age and S = his son's present age, then...
1) {{{J = S+35}}} "Jaime is now 35 years older than his son."
2) {{{J+5 = 2(S+5)}}} "In 5 years, he (Jaime) will be twice as old as his son."
Substitute equation 1) into equation 2) and solve for S.
{{{(S+35)+5 = 2(S+5)}}}
{{{S+40 = 2S+10}}}
{{{40 = S+10}}}
{{{highlight(S = 30)}}} This is the son's age.
{{{J = S+35}}}
{{{highlight(J = 65)}}} This is Jaime's age.