д) 18 - 10x = 0
- 10x = -18
x = -18/-10
х=1,8
е) 15 - 7x = 0
- 7x = -15
x = -15/-7
х=2,14285714286
з)2x - 4x - 1 =2
2x – 4x = 2 + 1
-2x = 3
x = -1.5
ж) x -3 = 2x + 1
x – 2x = 1 + 3
-x = 4
x = -4
д) 18 - 10x = 0
- 10x = -18
x = -18/-10
х=1,8
е) 15 - 7x = 0
- 7x = -15
x = -15/-7
х=2,14285714286
з)2x - 4x - 1 =2
2x – 4x = 2 + 1
-2x = 3
x = -1.5
ж) x -3 = 2x + 1
x – 2x = 1 + 3
-x = 4
x = -4