Алгебра
Английский
Биология
География
Геометрия
История
Русский
Обществознание
Физика
Химия
Информатика
Литература
МатематикаВопрос:
9) 5/6(3/4x - 2/5) = 2x + 1/3;
Ответ:
15/24x - 10/30 = 2x + 1/3
5/8x - 1/3 = 2x + 1/3
5/8x - 2x = 1/3 + 1/3
5/8x - 16/8x = 2/3
-11/8x = 2/3
x = (2/3) * (-8/11)
x = -16/33
5/8x - 1/3 = 2x + 1/3
5/8x - 2x = 1/3 + 1/3
5/8x - 16/8x = 2/3
-11/8x = 2/3
x = (2/3) * (-8/11)
x = -16/33
Похожие
