4x + 8x = 12x + 1
4x + 8x – 12x = 1
0x = 1
уравнение решений не имеет
x-5=2x+3-(-x+2)
x – 5 = 2x + 3 + x – 2
x – 2x – x = – 2 + 3 + 5
-2x = 6
x = -3
4x+5=2(x-1)+2x
4x + 5 = 2x – 2 + 2x
4x – 2x – 2x = – 2 – 5
0x = -7
5-(3x+1)=-3(x-7)
5 – 3x – 1 = – 3x + 21
– 3x + 3x = 21 + 1 – 5
0x = 17
4x + 8x = 12x + 1
4x + 8x – 12x = 1
0x = 1
уравнение решений не имеет
x-5=2x+3-(-x+2)
x – 5 = 2x + 3 + x – 2
x – 2x – x = – 2 + 3 + 5
-2x = 6
x = -3
4x+5=2(x-1)+2x
4x + 5 = 2x – 2 + 2x
4x – 2x – 2x = – 2 – 5
0x = -7
уравнение решений не имеет
5-(3x+1)=-3(x-7)
5 – 3x – 1 = – 3x + 21
– 3x + 3x = 21 + 1 – 5
0x = 17
уравнение решений не имеет