а)9-3х=0
-3х=-9
х=-9/-3
х=3
б)-15-х=7
-х=7+15
-х=22
х=-22
в)4х-2=5х-9
4x – 5x = – 9 + 2
-x = -7
x = 7
г)х-9=-4х-7
x + 4x = – 7 + 9
5x = 2
x = 0.4
д)0,6-7х=8-6х
– 7x + 6x = 8 – 0,6
-x = 7.4
x = -7.4
а)9-3х=0
-3х=-9
х=-9/-3
х=3
б)-15-х=7
-х=7+15
-х=22
х=-22
в)4х-2=5х-9
4x – 5x = – 9 + 2
-x = -7
x = 7
г)х-9=-4х-7
x + 4x = – 7 + 9
5x = 2
x = 0.4
д)0,6-7х=8-6х
– 7x + 6x = 8 – 0,6
-x = 7.4
x = -7.4