Question 103836
let Sarah's age be {{{x}}}, and Denise's age be {{{y}}}.

given information:
{{{x + y + 14 = 82}}}
{{{x=3y+6 }}}

so, now substitute {{{x}}} with {{{3y + 6}}} and find {{{y}}}

{{{4y + 14 = 82}}}
{{{4y = 82 – 14}}}
{{{y = 68/4}}}
{{{y = 15.5}}}     Denise is {{{15.5}}} years old now
{{{x =3*15.5 + 6 = 52.5}}}	and Sarah is {{{52.5}}} years old now

in {{{14}}} years from now the sum of thier ages will be
{{{52.5 + 15.5 + 14 = 82}}}