Question 910627
{{{-7(t-3)+4t=3(7+t)}}}
{{{-7t+21+4t=21+3t}}}
{{{-7t+4t+21=21+3t}}}
{{{-7t+4t-3t=21-21}}}
{{{-6t=0}}}
{{{6t=0}}}
{{{6t(1/6)=0(1/6)}}}
{{{6(1/6)t=0}}}
{{{1*t=0}}}
{{{highlight(t=0)}}}


All the extra intermediate steps are included so that you do not miss anything.