文档介绍:一、解方程:
20x-50=50
28+6 x =88
32-22 x=10
24-3 x =3
10 X X (5+1) =60
99 x =100- x
36-? x=18
x4-6=1 2
56-2 x =20
4y+2=6
x+32=76
3x+6=18
16+8x=40
2x-8=8
4x-3x9=29
二、解方程: 8x-3x=105
x-6x5=42+2x
2x+5=7 -r 3
2 (x+3) =10
12x-9x=9
6x+18=48
56x-50x=30
5x=15 (x-5)
78-5x=28
32y-29y=3
5 (x+5) =15
89 - 9x =80
100-20x=20^30x
55x-25x=60
76y- 75=1
23y- 23=23
4x-20=0
80y+20=100-20y
53x-90=16
2x+9x=11
12 (y-1) =24
804- 5x=100
7x- 8=6
65x+35=100
19y+y=40
25-5x=15
79y+y=80
42x+28x=140
3x-1=8-2x
90y-90=90-90y
80y-90=704- 30
78y+2y=160
88-4x=80-2x
9: (4x) =1
20x=40 - lOx
65y-30=100
51y-y=100
85y+1=y+86
45x-50=40-45x