a) 14x + 27x = 65641x = 656x = 656/41x = 16
б) 81y - 38y = 64543y = 645y = 645/43y = 15
в) 49z - z = 38448z = 384z = 384/48z = 8
г) 102k - 4k = 196098k = 1960k = 1960/98k = 20
a) 14x + 27x = 656
41x = 656
x = 656/41
x = 16
б) 81y - 38y = 645
43y = 645
y = 645/43
y = 15
в) 49z - z = 384
48z = 384
z = 384/48
z = 8
г) 102k - 4k = 1960
98k = 1960
k = 1960/98
k = 20