1) 8 - 0,8x = 0
- 0,8x = - 8
x = - 8 : (- 0,8)
x = 10
2) 7x - 4 = x - 16
7x - x = - 16 + 4
6x = - 12
x = - 12 : 6
x = - 2
8=0.8х
х=8/0.8
х=10
7х-х=4-16
6х=-12
х=-12/6
х=-2
1) 8 - 0,8x = 0
- 0,8x = - 8
x = - 8 : (- 0,8)
x = 10
2) 7x - 4 = x - 16
7x - x = - 16 + 4
6x = - 12
x = - 12 : 6
x = - 2
8=0.8х
х=8/0.8
х=10
7х-х=4-16
6х=-12
х=-12/6
х=-2