А)(х-13)+(5х-43)=-5х+(2х-6)
x – 13 + 5x – 43 = – 5x + 2x – 6
x + 5x + 5x – 2x = – 6 + 43 + 13
9x = 50
x = 50/9
х=5,55555555556
Б)3х-16,=(15х-20) -11х
3x – 16 = 15x – 20 – 11x
3x – 15x + 11x = – 20 + 16
-x = -4
x = 4
В)-7х+20х-13=126
– 7x + 20x = 126 + 13
13x = 139
x = 139/13
х=10,6923076923
Г)(Х-9)+(2х-6)=13х-5
x – 9 + 2x – 6 = 13x – 5
x + 2x – 13x = – 5 + 6 + 9
-10x = 10
x = -1
А)(х-13)+(5х-43)=-5х+(2х-6)
x – 13 + 5x – 43 = – 5x + 2x – 6
x + 5x + 5x – 2x = – 6 + 43 + 13
9x = 50
x = 50/9
х=5,55555555556
Б)3х-16,=(15х-20) -11х
3x – 16 = 15x – 20 – 11x
3x – 15x + 11x = – 20 + 16
-x = -4
x = 4
В)-7х+20х-13=126
– 7x + 20x = 126 + 13
13x = 139
x = 139/13
х=10,6923076923
Г)(Х-9)+(2х-6)=13х-5
x – 9 + 2x – 6 = 13x – 5
x + 2x – 13x = – 5 + 6 + 9
-10x = 10
x = -1