-9*(1+6x)=6x-37 срочно
-9-54x=6x-37 -54x-6x=9-37 -60x=-28 x=28/60 x=7/15
-9*(1+6x)=6x-37 -9-54x=6x-37 -54x-6x=-37+9 -60x=-28 x=7/15