(100+x)-(600-x)=400×
13x-23=8x+16
7x=x+9
4(3-x)=-2(x+6)
2(-4x-5)+2x=8
(x-4)-(4x+4)=-
x--=1
=3-
0.4x-0.7=3.4-28x
6(x-6)+4(x-1)=20
6x+2(18-x)=-2
(200+x)-(600-x)=400×
12x-22=7x+17
9x=x+14
2(6-x)=-5(x+5)
3(-3x-1)+3x=7
(x-10)-(8x+8)=-
x--=2
=1-
0.3x-0.2=5.4-20x
2(x-3)-3(x-6)=13
6x-3(16-x)=-3
(300+x)-(500-x)=100×
11x-36=6x+26
8x=x+14
5(6-x)=-2(x+7)
3(-3x-5)+2x=8
(x-10)-(9x+9)=-
-=3
=3-
0.1x-0.9=3.5-11x
6(x-9)+2(x-6)=16
2x+4(15-x)=-7
(300+x)-(400-x)=400×
15x-40=6x+17
6x=x+12
5(6-x)=-5(x+6)
3(-4x-1)+2x=9
(x-4)-(6x+7)=-
x--=4
=5-
0.2x-0.3=4.6-18x
4(x-7)+5(x-6)=12
5x+5(18-x)=-2
(100+x)-(400-x)=200×
16x-34=5x+20
8x=x+5
3(5-x)=-3(x+1)
3(-2x-2)+2x=7
(x-4)-(4x+7)=-
-=2
=3-
0.3x-0.7=5.3-25x
8(x-7)+7(x-3)=18
3x+5(12-x)=-4
(100+x)-(600-x)=100×
10x-32=6x+17
4x=x+7
4(5-x)=-2(x+2)
3(-3x-1)+2x=7
(x-2)-(4x+8)=-
-=3
=4-
0.9x-0.9=5.7-13x
2(x-7)-8(x-4)=14
2x-4(13-x)=-9
(300+x)-(500-x)=200×
11x-21=4x+20
7x=x+5
4(4-x)=-2(x+1)
2(-4x-2)+4x=5
3/2(x-4)-(2x+1)=-
-=1
=2-
0.7x-0.3=4.9-30x
7(x-6)+9(x-4)=13
2x-3(13-x)=-6
(100+x)-(500-x)=400×
10x-34=3x+30
6x=x+3
3(5-x)=-2(x+4)
4(-3x-3)+3x=7
(x-4)-(4x+6)=-
-=3
=5-
0.8x-0.6=4.7-25x
3(x-8)-7(x-1)=11
4x+2(10-x)=-8
(300+x)-(400-x)=200×
10x-25=4x+22
4x=x+16
4(4-x)=-5(x+1)
2(-4x-5)+3x=8
(x-6)-(6x+3)=-
-=1
=6-
0.5x-0.3=4.5-20x
6(x-1)+7(x-6)=19
5x-3(10-x)=-3
(300+x)-(500-x)=100×
14x-37=9x+20
7x=x+12
4(6-x)=-4(x+4)
3(-3x-1)+2x=7