Помогитеееееееееееееееее
x + 1/8 = 5/8 - 1/7 x + 7/56 = 35/56 - 7/56 x + 7/56 = 28/56 x = 28/56 - 7/56 x = 21/56 = 3/8
X+1/8=5/8-1/7 x+1/8=27/56 x=27/56-1/8 x=27/56-7/56 x=20/56=10/28=5/14