4(3x+4)-5=-1
12x + 16 – 5 = – 1
12x = – 1 + 5 – 16
12x = -12
x = -1
5+4(3x+5)=2x-5
5 + 12x + 20 = 2x – 5
12x – 2x = – 5 – 20 – 5
10x = -30
x = -3
6(2x+3)-7(3x-4)=14x
12x + 18 – 21x + 28 = 14x
12x – 21x – 14x = – 28 – 18
-23x = -46
x = 2
4(3x+7)-6(2x+5)=5x-1
12x + 28 – 12x – 30 = 5x – 1
12x – 12x – 5x = – 1 + 30 – 28
-5x = 1
x = -0.2
6(x-4)+2.3=3(2x-7)-8
6x – 24 + 2.3 = 6x – 21 – 8
6x – 6x = – 8 – 21 – 2,3 + 24
0x = -7.3
уравнение решений не имеет
4(3x+4)-5=-1
12x + 16 – 5 = – 1
12x = – 1 + 5 – 16
12x = -12
x = -1
5+4(3x+5)=2x-5
5 + 12x + 20 = 2x – 5
12x – 2x = – 5 – 20 – 5
10x = -30
x = -3
6(2x+3)-7(3x-4)=14x
12x + 18 – 21x + 28 = 14x
12x – 21x – 14x = – 28 – 18
-23x = -46
x = 2
4(3x+7)-6(2x+5)=5x-1
12x + 28 – 12x – 30 = 5x – 1
12x – 12x – 5x = – 1 + 30 – 28
-5x = 1
x = -0.2
6(x-4)+2.3=3(2x-7)-8
6x – 24 + 2.3 = 6x – 21 – 8
6x – 6x = – 8 – 21 – 2,3 + 24
0x = -7.3
уравнение решений не имеет