Решите уравнение: a) 53x – 28x – 24 = 251; б) (17x – 3x) : 17 = 364.

a) 53x – 28x – 24 = 251

25x - 24 = 251

25x = 251 + 24

25x = 275

x = 275 / 25

x = 11

б) (17x – 3x) : 17 = 364

14x : 17 = 364

14x = 364 * 17

14x = 6188

x = 6188 / 14

x = 442