3(2-x)-(x+4)равно0, 4-16x         0, 3(3x-1)+0, 2равно5(0, 1-0, 2x)-0, 1                                                                                                                             

3(2-x)-(x+4)равно0, 4-16x         0, 3(3x-1)+0, 2равно5(0, 1-0, 2x)-0, 1                                                                                                                                                                                                                                                                                                                                                                                                                                                          

Ответ:

3(2-x)-(x+4)=0,4-16x   

6-3х-х-4=0,4-16х

2-4х=0,4-16х

16х-4х=0,4-2

12х=-1,6

х=-1,6/12

х=-0,133    

0,3(3x-1)+0,2=5(0,1-0,2x)-0,1

0,9х-0,3+0,2=0,5-х-0,1

0,9х-0,1=0,4-х

0,9х+х=0,4+0,1

1,9х=0,5

х=0,5/1,9

х=0,263

Источник: https://znanija.com/task/266350