Question 908967
a=b
c=b-2
2/a+2/b+2/c+3/c=1
2/b+2/b+2/(b-2)+3/(b-2)=1
4/b+5/(b-2)=1
4*(b-2)+5*b/(b*(b-2))=1
4*b-8+5*b=b^2-2b
9b-8=b^2-2b

b^2-11b+8=0
a=10.217,   b=10.217,   c=8.21699
check
2/10.217+2/10.217+2/8.21699+3/8.21699=1
ok