Question 1186836
y is 3x, and ten years ago, {{{y-10=5(x-10)-2}}};


Solving first for x, or Kara's current age seems easier.
{{{3x-10=5x-50-2}}}
{{{-10=2x-52}}}
{{{52-10=2x}}}
{{{x=21}}}



Liam is therefore {{{highlight(63)}}}.