8,35-(3,6+у)=1,98 46,36+(2,9-х)=47,49
8.35-(3.6+y)=1/98 8/35-3/6/-y=1/98 4/75-y=1/98 -y=1/98-4/75 -y=-2/77 y=2/77
как
8,35-3,6+y=1,98 y= 1,98-8,35+3,6 y= -2, 77 46,36+2,9-x=47,49 -x=47,49-46,36-2,9 -x=-1,77 x=1,77