18х + 8 = 16х - 16,
18х - 16х = -16 - 8,
2х = -24
х = -12
ответ: -12
0.3(Х - 7) + 0.6 = 0.6(3 + Х),
0.3х - 2.1 + 0.6 = 1.8 + 0.6х,
0.3х - 0.6х = 1.8 - 0.6 + 2.1,
-0.3х = 3.3,
х = -11.
ответ: -11
