Question 1146293
v, teVin
f, tifFany

{{{system(v=f-60,f-6=3(v-6))}}}


{{{f=v+60}}}
-
{{{v+60-6=3v-18}}}
{{{v+54=3v-18}}}
{{{54+18=2v}}}
{{{v=27+9}}}
{{{highlight(v=36)}}}