Question 710800
{{{1/6}}}(7t-9)={{{(t+9)/12}}}
Get rid of the denominators, mult both sides by 12, resulting in:
2(7t-9) = t + 9
14t - 18 = t + 9
14t - t = 9 + 18
13t = 27
t = {{{27/13}}} or 2{{{1/13}}}