1(9-4x)/8 + 0.875 = (9-4x)/8 = 0.129-4x = -4x = -x = 2
Ответ: x = 2
2(4x - 9)*2.6 + 3.8 = 210.4x - 23.4 + 3.8 = 210.4x - 19.6 = 210.4x = 41.x = 4
Ответ: x = 4
1
(9-4x)/8 + 0.875 =
(9-4x)/8 = 0.12
9-4x =
-4x = -
x = 2
Ответ: x = 2
2
(4x - 9)*2.6 + 3.8 = 2
10.4x - 23.4 + 3.8 = 2
10.4x - 19.6 = 2
10.4x = 41.
x = 4
Ответ: x = 4