Question

Решите уравнение
1) | 2х + 14| = 6
3) |8х + 12| = 20
5) | 9х + 15| = 6

Answer 1

Пошаговое объяснение:

1) |2x| = 14 - 6

|2x| = 8

|x| = 8÷2

x = 4

2) |8x| = 20-12

|8x| = 8

x = 1.

3) |9x| = 6 - 15

|9x| = - 9

x = -1