1) 50 - 4x = 14
2) 87 / x = 58 - 5587 / x = 3x = 87 / 3x = 29
3) 200 - 2x = 162-2x = 162 - 200-2x = -38x = -38 / -2x = 19
Ответ: x1 = 9, x2 = 29, x3 = 19.
1) 50 - 4x = 14
4x = 14 - 504x = -36x = -36 / -4
x = 9
2) 87 / x = 58 - 55
87 / x = 3
x = 87 / 3
x = 29
3) 200 - 2x = 162
-2x = 162 - 200
-2x = -38
x = -38 / -2
x = 19
Ответ: x1 = 9, x2 = 29, x3 = 19.