1.0,4х=0,4-2(х+2)
0.4x = 0.4 – 2x – 4
0,4x + 2x = – 4 + 0,4
2.4x = -3.6
x = -1.5
2.4х-5,5=5х-3(2х-1,5)
4x – 5.5 = 5x – 6x + 4.5
4x – 5x + 6x = 4,5 + 5,5
5x = 10
x = 2
1.0,4х=0,4-2(х+2)
0.4x = 0.4 – 2x – 4
0,4x + 2x = – 4 + 0,4
2.4x = -3.6
x = -1.5
2.4х-5,5=5х-3(2х-1,5)
4x – 5.5 = 5x – 6x + 4.5
4x – 5x + 6x = 4,5 + 5,5
5x = 10
x = 2