5x + 1 = 3x + 1
5x – 3x = 1 – 1
x = 0
6x-1=11
6x=11+1
6x=12
x=12/6
х=2
x-1=7(x-1)
x – 1 = 7x – 7
x – 7x = – 7 + 1
-6x = -6
x = 1
x – 2 = 1 + 4x
x – 4x = 1 + 2
-3x = 3
x = -1
5x+5=5(x-1)
5x + 5 = 5x – 5
5x – 5x = – 5 – 5
0x = -10
уравнение решений не имеет
5x + 1 = 3x + 1
5x – 3x = 1 – 1
x = 0
6x-1=11
6x=11+1
6x=12
x=12/6
х=2
x-1=7(x-1)
x – 1 = 7x – 7
x – 7x = – 7 + 1
-6x = -6
x = 1
x – 2 = 1 + 4x
x – 4x = 1 + 2
-3x = 3
x = -1
5x+5=5(x-1)
5x + 5 = 5x – 5
5x – 5x = – 5 – 5
0x = -10
уравнение решений не имеет