1)3(х-3)=х+2(х+5)
3x – 9 = 1x + 2x + 10
3x – x – 2x = 10 + 9
0x = 19
уравнение решений не имеет
2)-4(х+2)+3(х-1)-2=4(х-2)+9
– 4x – 8 + 3x – 3 – 2 = 4x – 8 + 9
– 4x + 3x – 4x = 9 – 8 + 2 + 3 + 8
-5x = 14
x = -2.8
3)2х(3х-1)=5(х+1)
6x – 2 = 5x + 5
6x – 5x = 5 + 2
x = 7
1)3(х-3)=х+2(х+5)
3x – 9 = 1x + 2x + 10
3x – x – 2x = 10 + 9
0x = 19
уравнение решений не имеет
2)-4(х+2)+3(х-1)-2=4(х-2)+9
– 4x – 8 + 3x – 3 – 2 = 4x – 8 + 9
– 4x + 3x – 4x = 9 – 8 + 2 + 3 + 8
-5x = 14
x = -2.8
3)2х(3х-1)=5(х+1)
6x – 2 = 5x + 5
6x – 5x = 5 + 2
x = 7