文档介绍:2(X+X+)=+=+9=27
6x-=
25000+x=6xx-=(x-2)=270410-3x=1703200=450+5X+X
91+x==300-
2(X+X+)=+=+9=27
6x-=
25000+x=6xx-=(x-2)=270410-3x=1703200=450+5X+X
91+x==300-4x3(x+)=21X-=6X+=+=
+8=4312x-8x=
15x=33x+5=
6x-3x=18
*
x+2x+18=78x+=
3(x+3)=50-x+3
=
(200-x)与==
5x+15=60x^=90(x-140)母0=-x=
-5x=29x-40=5
(x+6)=*
+4x=
x奇+9=214(x-)=+=
x^-=
48-27+5x=317(+x)=(x+8)=102
4x->6=
20-9x=
+9x=
.
2x-97=
+=134
6x+=
3x=x+100
-48=
+=51
150X2+3x=690
x+=
42x+25x=134
89x-43x=
2x-20=4
6x+18=48
(x+)=
5x-45=100
3x+6=18
3(x+)=
2(x-3)=
-=
2(+x)=
12x-9x=
65x+7=42
=2x=56
(x-3)+2=
13(x+5)=169
9x+=91
4x-x=
-x=-X=+4x=40
x-8=6xX-=+X=+8=16
4/5x=20
155X-2X=18
23x=14x+1423x-14x=14
2x-6=123X+=5
x+14x=65x+7x=87x+7==+x3-5x=809x-3x=66x-6==2x++6x=546x-8=45x+6=—=-=+x=92x-8=10
1/2x-8=4
3x-8=30
15+6x=27
9+6x=14
x-5/6=7
6x+6=12
5-8x=4
x+9x=4+7
3x+7=28
3x-3=1
7x+8=15
2x+9=17
3x-7=26
5x-3x=4
9-2x=1
8-4x=6
9x-x=16
2x+16=19
4+5x=9
6x-7=12
24x+x=50
5x+8=19
10-x=8
7x-9=8
6/7x-8=4
14-6x=8
8x+9=17
x-56=1
x-30=12x+4+8=—=4x9+4x=406x-21=217x-12=-X=
-+=-3=6X-=+X=-=
9x=18
155X-2X=18X+=-4x=204x-18==53-5x=80
1/3x+5/6x=+9=11
=-6x=5412x+34x=1
18x-14x=12
3200=450+5X+X91+x=
12x=300-4x23x-5X14=14X-=6X+=
7x+=+34x=56
12x-8x==33x+5=-14x=*2X=153x-8=16
30+x+25=85(+x)+x=+2
=(x-2)=2x+3
-2x=62(X+X+