а) x = 11/24 - 5/18x = 11/24 - 10/48x = 11/24 - 5/24x = 6/24x = 1/4
б) y = 7/18 - 4/15y = 7/18 - 12/60y = 7/18 - 10/30y = 7/18 - 1/3y = 7/18 - 6/18y = 1/18
в) x = 8/11 + 3/7x = 8/11 + 33/77x = 8/11 + 33/77x = 616/847 + 231/847x = 847/847x = 1
г) z = 7/12 - 5/9z = 7/12 - 20/36z = 7/12 - 15/36z = 7/12 - 5/12z = 2/12z = 1/6
а) x = 11/24 - 5/18
x = 11/24 - 10/48
x = 11/24 - 5/24
x = 6/24
x = 1/4
б) y = 7/18 - 4/15
y = 7/18 - 12/60
y = 7/18 - 10/30
y = 7/18 - 1/3
y = 7/18 - 6/18
y = 1/18
в) x = 8/11 + 3/7
x = 8/11 + 33/77
x = 8/11 + 33/77
x = 616/847 + 231/847
x = 847/847
x = 1
г) z = 7/12 - 5/9
z = 7/12 - 20/36
z = 7/12 - 15/36
z = 7/12 - 5/12
z = 2/12
z = 1/6