1)(9-4x)/8 + 0.875 = 1(9-4x)/8 = 0.1259-4x = 1-4x = -8x = 2
Ответ: x = 2
2)(4x - 9)*2.6 + 3.8 = 2210.4x - 23.4 + 3.8 = 2210.4x - 19.6 = 2210.4x = 41.6x = 4
Ответ: x = 4
1)
(9-4x)/8 + 0.875 = 1
(9-4x)/8 = 0.125
9-4x = 1
-4x = -8
x = 2
Ответ: x = 2
2)
(4x - 9)*2.6 + 3.8 = 22
10.4x - 23.4 + 3.8 = 22
10.4x - 19.6 = 22
10.4x = 41.6
x = 4
Ответ: x = 4