63 : 9 + (х – 47) : 6 = 497 + (x - 47) : 6 = 49(x - 47) : 6 = 42x - 47 = 42 * 6x - 47 = 252x = 252 + 47x = 299
(14 + x)7 : 7 = 42 - 37(14 + 299)7 : 7 = 5313 * 7 : 7 = 52191 : 7 = 5313 = 5
Ответ: x = 299
63 : 9 + (х – 47) : 6 = 49
7 + (x - 47) : 6 = 49
(x - 47) : 6 = 42
x - 47 = 42 * 6
x - 47 = 252
x = 252 + 47
x = 299
(14 + x)7 : 7 = 42 - 37
(14 + 299)7 : 7 = 5
313 * 7 : 7 = 5
2191 : 7 = 5
313 = 5
Ответ: x = 299