Пошаговое объяснение:
3 (2x – 1) +7 (х – 5) = 16 + 3 (1 – 2х)
6x - 3 + 7x - 35 = 16 + 3 - 6x
13x - 38 = 19 - 6x
13x + 6x = 19 + 38
19x = 57
x = 57 : 19
x = 3
Пошаговое объяснение:
3 (2x – 1) +7 (х – 5) = 16 + 3 (1 – 2х)
6x - 3 + 7x - 35 = 16 + 3 - 6x
13x - 38 = 19 - 6x
13x + 6x = 19 + 38
19x = 57
x = 57 : 19
x = 3