12 - 4(x - 3) = 13 + 2x12 - 4x + 12 = 13 + 2x24 - 4x = 13 + 2x24 - 13 = 2x + 4x11 = 6xx = 11/6
Ответ: x = 11/6
12 - 4(x - 3) = 13 + 2x
12 - 4x + 12 = 13 + 2x
24 - 4x = 13 + 2x
24 - 13 = 2x + 4x
11 = 6x
x = 11/6
Ответ: x = 11/6