28/x-8=1 x-7/x-15=3 11-x/5=x/6 x²-8x=0

Question

28/x-8=1
x-7/x-15=3
11-x/5=x/6
x²-8x=0

Answer 1

28/(х-8)=1
28=х-8
х=28+8
х=36

(х-7)/(х-15)=3
х-7=3(х-15)
х-7=3х-45
2х=38
х=38:2
х=19

(11-х)/5=х/6
6(11-х)=5х
66-6х=5х
11х=66
х=6

х^2-8х=0
х(х-8)=0
х1=0
х-8=0
х2=8