Question 319695
{{{2/3 - 7( (3/7) + 3)=2/3 - 7(3/7) - 7(3)=2/3 - 21/7 - 21=2/3-3-21=2/3-24=2/3-72/3=(2-72)/3=-70/3}}}



So {{{2/3 - 7( (3/7) + 3)=-70/3}}}