Question 1072955
t tens digit
u units or ones digit


{{{system(10t+u-4(t+u)=3,t+10u-6(t+u)=5)}}}


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{{{10t+u-4t-4u=3}}}
{{{6t-3u=3}}}
{{{2t-u=1}}}


{{{t+10u-6t-6u=5}}}
{{{-5t+4u=5}}}


-
{{{system(2t-u=1,-5t+4u=5)}}}


{{{-5t+4(2t-1)=5}}}
{{{-5t+8t-4=5}}}
{{{3t-4=5}}}
{{{3t=9}}}
{{{highlight(t=3)}}}

-
{{{highlight(u=5)}}}






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