36/(3х-15)=70-64
36/(3х-15)=6 6(3х-15)=36 3х-15=6 3х=21 х=7
64+36/(3x-15)=70
36/(3x-15)=6
36=6(3x-15)
36-18x+90=0
126-18x=0
x=126/18
x=7
36/(3х-15)=70-64
36/(3х-15)=6
6(3х-15)=36
3х-15=6
3х=21
х=7
64+36/(3x-15)=70
36/(3x-15)=6
36=6(3x-15)
36-18x+90=0
126-18x=0
x=126/18
x=7