(13-3x)-17=-5x
13 – 3x – 17 = – 5x
– 3x + 5x = 17 – 13
2x = 4
x = 2
4x-3(20-x)=10x-3(11+x)
4x – 60 + 3x = 10x – 33 – 3x
4x + 3x – 10x + 3x = – 33 + 60
0x = 27
уравнение решений не имеет
(13-3x)-17=-5x
13 – 3x – 17 = – 5x
– 3x + 5x = 17 – 13
2x = 4
x = 2
4x-3(20-x)=10x-3(11+x)
4x – 60 + 3x = 10x – 33 – 3x
4x + 3x – 10x + 3x = – 33 + 60
0x = 27
уравнение решений не имеет