17n+14n-145 =134 kak kak
17n+14n-145=134. 31n-145=134. 31n=134+145. 31n=270
17n + 14n - 145 = 134 31n = 134 + 145 31n = 279 n = 279 / 31 n = 9
17n+14n-145=134 17n+14n=134+145 31n=279 n=279:31 n=9 Ответ: п=9