1) 4(13-3x)-17=-5x52 - 12x - 17 = -5x35 - 12x = -5x35 = 7xx = 35/7x = 5
2) (18-3x) - (4+2x) = 1018 - 3x - 4 - 2x = 1014 - 5x = 10-5x = -4x = 4/5
3) 14 - x = 0.5(4-2x) + 1214 - x = 2 - x + 1214 - x = 14 - xx = x
4) 4x - 3(20-x) = 10x - 3(11+x)4x - 60 + 3x = 10x - 33 - 3x7x - 60 = 7x - 33-60 = -33
Уравнение не имеет решений.
1) 4(13-3x)-17=-5x
52 - 12x - 17 = -5x
35 - 12x = -5x
35 = 7x
x = 35/7
x = 5
2) (18-3x) - (4+2x) = 10
18 - 3x - 4 - 2x = 10
14 - 5x = 10
-5x = -4
x = 4/5
3) 14 - x = 0.5(4-2x) + 12
14 - x = 2 - x + 12
14 - x = 14 - x
x = x
4) 4x - 3(20-x) = 10x - 3(11+x)
4x - 60 + 3x = 10x - 33 - 3x
7x - 60 = 7x - 33
-60 = -33
Уравнение не имеет решений.