1. 259 – 3x = 190 2. 14x – 193 = 7173. 24x + 217 = 5294. (135 – 31x)2 = 225. 18(5x – 14) = 4686. (241 + 139) * (2x - 247) = 201407. 3x: 43 = 38. 135: 5x = 3​

1. х=23

2. х=65

3. х=13

4. х=4

Пошаговое объяснение:

1. 259 – 3x = 190

-3х=190-259

-3х=-69

х=-69:(-3)

х=23

2. 14x – 193 = 717

14х=717+193

14х=910

х=910:14

х=65

3. 24x + 217 = 529

24х=529-217

24х=312

х=312:24

х=13

4. (135 – 31x)2 = 22

270-62х=22

-62х=22-270

-62х=-148

х=-148 : -62

х=4