0.9x + 1 = 0.2x – 6
0,9x – 0,2x = – 6 – 1
0.7x = -7
x = -10
4=-1-(11x-5)
4 = – 1 – 11x + 5
11x = 5 – 1 – 4
x = 0
0.5(8x-3)=-4(2.5-x)
4x – 1.5 = – 10 + 4x
4x – 4x = – 10 + 1,5
0x = -8.5
уравнение решений не имеет
0.9x + 1 = 0.2x – 6
0,9x – 0,2x = – 6 – 1
0.7x = -7
x = -10
4=-1-(11x-5)
4 = – 1 – 11x + 5
11x = 5 – 1 – 4
x = 0
0.5(8x-3)=-4(2.5-x)
4x – 1.5 = – 10 + 4x
4x – 4x = – 10 + 1,5
0x = -8.5
уравнение решений не имеет