aminasaharova60

Ответ:

2)1 способ

|х+1|=1

|х|=1-1

х=0

2 способ

|3-х|=2

|х|=3-2

х=1

1 способ

3)|2х+1|=3

|2х|=3-1

|2х|=2

|х|=2:2

|х|=1

2 способ

|3х-1|=2

|3х|=2+1

|3х|=3

|х|=3:3

|х|=1

1 способ

4)|2/3х+1/3|=1

|2/3х|=3/3-1/3

|2/3х|=2/3

|х|=2/3:2/3

|х|=1

2 способ

|1/3х±2/3|=1

|1/3х|=3/3-2/3

|1/3х|=1/3

|х|=1/3:1/3

|х|=1

1 способ

5)|3/4х+1/4|=1

|3/4х|=4/4-1/4

|3/4х|=3/4

|х|=3/4:3/4

|х|=1

2 способ

|1/4х+3/4|=1

|1/4х|=4/4-3/4

|1/4х|=1/4

|х|=1/4:1/4

|х|=1