Ответы на вопрос:
2x - 7y = 14 |*23x + 2y = -14 |*74x - 14y = 28+21x + 14y = -9825x = -70x = -2 20/25x = -2,8x = -2,82*(-2,8) - 7y = 14x = -2,8-5,6 - 7y = 14x = -2,8-28/5 - 7y = 70/5x = -2,87y = -98/5x = -2,8y = -14/5x = -2,8y = -2,8ответ: (-2,8 ; -2,8)
Популярно: Математика
-
ДЭМКО05.05.2022 19:42
-
romagani1520.09.2022 04:36
-
МаксVFRCBV13.10.2020 10:31
-
ksenichchka12.11.2020 05:29
-
karinasoskova29.01.2023 02:36
-
superpuperkrosh01.07.2020 04:18
-
wwwghg09.07.2022 11:59
-
grekorim1998a30.04.2022 13:23
-
sdaugel14.04.2021 01:20
-
Anasxon200402.01.2020 17:27