Ответ:

|х|=5-2,8

|х|=2.2

х=-2.2 х=2.2

|х|=4.4+3.1

|х|=7.5

х= -7.5,7.5

|х|=-0.29+0.4

|х|=0.11

х=-0.11,0.11

|х|=нет ответ болмайды.