3x + 2(0.5x - 2.4) = -6;
3x + 2 * 0.5x - 2 * 2.4 = -6;
3x + x - 4.8 = -6;.
3x + x = -6 + 4.8
x(3 + 1) = -1.2;
4x = -1.2;
x = -1.2 : 4;
x = -0.3.
ответ: x = -0.3 корень уравнения.
