1)0.6-1.6(х-4)=3(7-0.4х)
0.6 – 1.6x + 6.4 = 21 – 1.2x
– 1,6x + 1,2x = 21 – 6,4 – 0,6
-0.4x = 14
x = -35
2)8х-1.1=3х+1.4
8x – 3x = 1,4 + 1,1
5x = 2.5
x = 0.5
3)17+1.2(х+1)=9+1.1х
17 + 1.2x + 1.2 = 9 + 1.1x
1,2x – 1,1x = 9 – 1,2 – 17
0.1x = -9.2
x = -92
4)5.6-3(2-0.4)=0.4(4х+1)
5.6 – 6 + 1.2 = 1.6x + 0.4
– 1,6x = 0,4 – 1,2 + 6 – 5,6
-1.6x = -0.4
x = 0.25
1)0.6-1.6(х-4)=3(7-0.4х)
0.6 – 1.6x + 6.4 = 21 – 1.2x
– 1,6x + 1,2x = 21 – 6,4 – 0,6
-0.4x = 14
x = -35
2)8х-1.1=3х+1.4
8x – 3x = 1,4 + 1,1
5x = 2.5
x = 0.5
3)17+1.2(х+1)=9+1.1х
17 + 1.2x + 1.2 = 9 + 1.1x
1,2x – 1,1x = 9 – 1,2 – 17
0.1x = -9.2
x = -92
4)5.6-3(2-0.4)=0.4(4х+1)
5.6 – 6 + 1.2 = 1.6x + 0.4
– 1,6x = 0,4 – 1,2 + 6 – 5,6
-1.6x = -0.4
x = 0.25