Question 1079119
Number:  {{{10t+u}}}


{{{system(t=u-2,10u+t+10t+u=154)}}}


{{{11t+11u=154}}}
{{{11(u-2)+11u=154}}}
{{{11u-22+11u=154}}}
{{{22u=154+22}}}
{{{22u=176}}}
{{{u=8}}}
-
{{{t=6}}}


The number is 68