1)0,9х-0,6(х-3)=2(0,2х-1,3)
0.9x – 0.6x + 1.8 = 0.4x – 2.6
0,9x – 0,6x – 0,4x = – 2,6 – 1,8
-0.1x = -4.4
x = 44
2) -0,4(3х-1)+8(0,8х-0,3)=5-(3,8х+4)
– 1.2x + 0.4 + 6.4x – 2.4 = 5 – 3.8x – 4
– 1,2x + 6,4x + 3,8x = – 4 + 5 + 2,4 – 0,4
9x = 3
3x = 1
x = 1/3
х=0,33333333333
1)0,9х-0,6(х-3)=2(0,2х-1,3)
0.9x – 0.6x + 1.8 = 0.4x – 2.6
0,9x – 0,6x – 0,4x = – 2,6 – 1,8
-0.1x = -4.4
x = 44
2) -0,4(3х-1)+8(0,8х-0,3)=5-(3,8х+4)
– 1.2x + 0.4 + 6.4x – 2.4 = 5 – 3.8x – 4
– 1,2x + 6,4x + 3,8x = – 4 + 5 + 2,4 – 0,4
9x = 3
3x = 1
x = 1/3
х=0,33333333333