3(5-x) = 11 + 215 - 3x = 11 + 2-3x - 2x = 11 - 1-5x = -x = -4/-x = 4/5
Подставляем значения3a + 5v - 4a - 235.3 + 51/3 - 45.3 - 21/15.9 + 5/3 - 21.2 - 2/16.27 - 21.2 - 2/-4.93 - 2/3
(у3)4 у2 = у12 у2 = у14
3(5-x) = 11 + 2
15 - 3x = 11 + 2
-3x - 2x = 11 - 1
-5x = -
x = -4/-
x = 4/5
Подставляем значения
3a + 5v - 4a - 2
35.3 + 51/3 - 45.3 - 21/
15.9 + 5/3 - 21.2 - 2/
16.27 - 21.2 - 2/
-4.93 - 2/3
(у3)4 у2 = у12 у2 = у14