Question 329426
{{{(9d)/(5d-15) + (7d)/(15d-45) =(9d)/(5(d-3)) + (7d)/(15(d-3)) }}}
{{{(9d)/(5d-15) + (7d)/(15d-45) =(1/(5(d-3)))*(9d + (7d)/3) }}}
{{{(9d)/(5d-15) + (7d)/(15d-45) =(1/(5(d-3)))*((27d)/3 + (7d)/3) }}}
{{{(9d)/(5d-15) + (7d)/(15d-45) =(1/(5(d-3)))*((34d)/3) }}}
{{{(9d)/(5d-15) + (7d)/(15d-45) =(34d)/(15(d-3)) }}}