Решение и ответ:
14 + х = 2
x = 2 - 14
x = -12
2х + х - 16 = 2
3x = 2 + 16
3x = 18
x = 18 ÷ 3
x = 6
8 - 17х = 25
17x = 8 - 25
17x = -17
x = -17 ÷ 17
x = -1
5 - х = 20 + 2х
-x - 2x = 20 - 5
-3x = 15
x = 15 ÷ (-3)
x = -5
Решение и ответ:
14 + х = 2
x = 2 - 14
x = -12
2х + х - 16 = 2
3x = 2 + 16
3x = 18
x = 18 ÷ 3
x = 6
8 - 17х = 25
17x = 8 - 25
17x = -17
x = -17 ÷ 17
x = -1
5 - х = 20 + 2х
-x - 2x = 20 - 5
-3x = 15
x = 15 ÷ (-3)
x = -5