1.2(x-2)-3(4x-1)=9(1-x) 2.11x+64-2x=100-9x 3.15-(8-5x)=7x+(4-3x) 4.3(x-7)-2[9-4(2-x)]=22 5.3

1. 2(x-2)-3(4x-1)=9(1-x)
2x-4-12x+3=9-9x
2x-12x+9x=9+4-3
-x=10
x=-10
2. 11x+64-2x=100-9x
11x-2x+9x=100-64
18x=36
x=2
3. 15-(8-5x)=7x+(4-3x)
15-8+5x=7x+4-3x
5x-7x+3x=4-15+8
x=-3
4. 3(x-7)-2[9-4(2-x)]=22
3x-21-2(9-8+4x)=22
3x-21-2-8x=22
3x-8x=22+21+2
-5x=45
x=-9

1.X=-10/9 ;2.X=2;3.X=12;4.X=-11

解1.2X-2.4-12X+3=9-9X 1.2X-12x+9X=2.4-3+9 19.2X=6.4 X=不好意思我也不会算啦

2(x-2)-3(4x-1)=9(1-x)
-10x+1=9-9x
x=-8
11x+64-2x=100-9x
9x+64=100-9x
18x=36
x=2
15-(8-5x)=7x+(4-3x)
7+5x=4x+4
x=-3
3(x-7)-2[9-4(2-x)]=22
3x-21-18+16-8x=22
-5x=45
x=-9

1、2x-4–12x+3=9-9x-10x-1=9-9xx= -102、9x+64=100-9x18x=36x=23、15-8+5x=7x+4-3x7+5x=4x+4x= -34、3x-21-2(9-8+4x)=223x-21-2(1+4x)=223x-21-2-8x=22-5x-23=22-5x=45x= -9