Question 375818
{{{10n - 9 = 61}}}
{{{10n - 9+9 = 61+9}}}
{{{10n-0=70}}}
{{{10n=70}}}
{{{(10n)/10=70/10}}}
{{{(10/10)n=7}}}
{{{(1)n=7}}}
{{{highlight(n=7)}}}