Помогите решить. 5 х - (7+8+4 х) = 56,12-2 х+3 х-7=29,4 х + (15-3 х) - 12=26,23-х+1=11,27 - (х-3) + 12=10,2 х-4-13-x=47, (21+x) - 34=11,19 + (13-7x+8x) = 59

1.5x-7-8-4x=56

x-15=56

x=71

2.12-2x+3x-7=29

x+5=29

x=24

3,4x + (15-3x) - 12=26

4x+15-3x-12=26

x+3=26

x=23

4.23-x+1=11

24-x=11

x=13

5.27 - (x-3) + 12=10

27-x+3+12=10

42-x=10

x=32

6.2x-4-13-x=47

x-17=47

x=64

7. (21+x) - 34=11

21+x-34=11

x-13=11

x=24

8.19 + (13-7x+8x) = 59

19+13-7x+8x=59

x+32=59

x=27