(x-9)/23=5/23
(x-9)/23-5/23=0
(x-9-5)/23=0
(x-14)/23=0
x-14=23*0
x-14=0
x=14
6(35-x)+8/35=12/35
6/(35-x)=12/35 - 8/35
6/(35-x)=4/35
35-x=6*35:4
35-x=52,5
x=35-52,5
x=-17,5
(x-9)/23=5/23
(x-9)/23-5/23=0
(x-9-5)/23=0
(x-14)/23=0
x-14=23*0
x-14=0
x=14
6(35-x)+8/35=12/35
6/(35-x)=12/35 - 8/35
6/(35-x)=4/35
35-x=6*35:4
35-x=52,5
x=35-52,5
x=-17,5