-0.7(0.6x+0.4)+0.3(0.6x+0.4)=0
– 0.42x – 0.28 + 0.18x + 0.12 = 0
– 0,42x + 0,18x = 0 – 0,12 + 0,28
-0.24x = 0.16
-24x = 16
-3x = 2
x = 2/-3
х=-0,66666666666
-0.7(0.6x+0.4)+0.3(0.6x+0.4)=0
– 0.42x – 0.28 + 0.18x + 0.12 = 0
– 0,42x + 0,18x = 0 – 0,12 + 0,28
-0.24x = 0.16
-24x = 16
-3x = 2
x = 2/-3
х=-0,66666666666