1. Найдите значение функции:
y=3x+4, если х=-1; 5; 10; 15
не могу решить
145
166
Ответы на вопрос:
(490 - x) - 250 = 70490 - x - 250 = 70x = 240 - 70x = 170(1604 - x) - 108 = 8001604 - x - 108 = 800x = 1496 - 800x = 696(456 + 112) - x = 400568 - x = 400x = 568 - 400x = 168(x + 54) - 28 = 38x + 54 - 28 = 38x = 38 - 26x = 12999 - x = 223 * 4x = 999 - 892x = 107x : 7 = 323 - 299x = 24 * 7x = 168x - 145 = 28 * 9x = 252 + 145x = 3972 * (300 + x) = 600300 + x = 300x = 300 - 300x = 0800 : x - 300 = 500800 : x = 500 + 300800 : x = 800x = 800 : 800x = 1(x + 200) : 400 = 2x + 200 = 2 * 400x = 800 - 200x = 600
Популярно: Алгебра
-
tiMYPkomptik13.03.2022 22:00
-
7878787708.03.2023 12:29
-
Кристи62608.04.2022 18:54
-
hardbrain29.07.2022 22:21
-
DFleX27.03.2020 09:21
-
FrutikFresh13.06.2020 06:57
-
IrinaTyunisova06.04.2020 07:13
-
gaglovev200105.04.2022 13:36
-
grishchenkoale11.12.2022 12:00
-
Алексей21117705.06.2020 23:36