0.3*(8.8+6.1х)+2.36=3.83х, 2.64+1.83х+2.36=3.83х, 2.64+2.36=3.83х-1.83х, 5=2х, х=5:2, х=2.5 . ПРОВЕРКА: 0.3*(8.8+6.1*2.5)+2.36=3.83*2.5, 0.3*24.05 +2.36 =3.83 *2.5, 7.215+2.36=9.575, 9.575=9.575.
2.64+1.83X+2.36=3.83X
-2X=-5
X=2.5
