Решение:
16 - 2(x - 3.5) = 8 - 4x16 - 2x + 7 = 8 - 4x23 - 2x = 8 - 4x23 = 8 - 2x23 = -2x + 82x = 8 - 232x = -15x = -15/2x = -7.5
Ответ: x = -7.5
Решение:
16 - 2(x - 3.5) = 8 - 4x
16 - 2x + 7 = 8 - 4x
23 - 2x = 8 - 4x
23 = 8 - 2x
23 = -2x + 8
2x = 8 - 23
2x = -15
x = -15/2
x = -7.5
Ответ: x = -7.5