Question 979478
{{{5r - 6 = 2r + 9}}}
{{{5r-2r-6=2r-2r+9}}}
{{{3r-6=9}}}
{{{3r-6+6=9+6}}}
{{{3r=15}}}
{{{(3r)/3=15/3}}}
{{{r=5}}}