2,8-х=1,3-6х
6x - x = 1,3 - 2,8
5x = -1,5
x = -1,5 : 5
x = -0,3
и
10х-(2х+4)=60
10x - 2x - 4 = 60
8x - 4 = 60
8x = 60 + 4
8x = 64
x = 64 : 8
x = 8
1) -x + 6x = 1.3 - 2.8
5x= -1.5
x = -0.3
2) 10x - (2x+4) = 60
10x - 2x - 4 = 60
8x-4=60
8x=60 + 4 8x= 64 x = 8 )))
