3X+5X=48 X=6
14X-8X=12 X=2
6*5+2X=44 X=7
20X-50=50 X=5
28+6X=88 X=10
32-22X=10 X=1
4y+2=6 Y=1
x+32=76 X=44
3x+6=18 X=4
16+8x=40 X=3
2x-8=8 X=8
4x-3*9=29 X=9
8x-3x=105 X=21
x-6*5=42 X=72
x+5=7 X=2
2x+3=10 X=7/2
12x-9x=9 X=3
6x+18=48 X=5
56x-50x=30 X=5
5x=15 X=3
78-5x=28 X=10
32y-29=3 Y=1
5x+5=15 X=2
89x-9=80 X=1
100-20x=20 X=4
55x-25x=60 X=2
76y-75=1 Y=1
23y-23=23 Y=2
4x-20=0 X=5
80y+20=100 Y=1
53x-90=16 X=2
2x+9x=11 X=1
12y-12=24 Y=3
80+5x=100 X=4
7x-8=6 X=2
65x+35=100 X=1
19y+y=40 Y=2
25-5x=15 X=8
79y+y=80 Y=1
42x+28x=140 X=2
3x-1=8 X=3
90y-90=90 Y=2
80y-90=70 Y=2
78y+2y=160 Y=2
88-x=80 X=8
9-4x=1 X=2
20x=40 X=2
15y-35=100 X=9
51y-y=100 Y=2
85y+1=-86 Y=1
45x-50=40 X=2
10x+6=26 x=2
24:8x=1 x=3
8x+23=39 x=2
4x+9=21 x=3
6:2x=3 x=1
5x-3=2 x=1
6×+8=68 ×=10
2x=3+5 x=4
3x=x+1 x=1/2
x=2x-2 x=2
x=32+3 x=35
2x=1+4 x=5/2
2x=x+1 x=1
2x=5*6 x=15
10x=1 x=1/10
5x=10 x=2
6x=7 x=7/6
10x=10 x=1
10=x+1 x=9
10=2x+2 x=4
10=3x+1 x=3
13=4x+1 x=3
11=2x+1 x=5
16=3x+1 x=5
68=5x+23 x=9
21=6x-123 x=28
11=7x+2 x=9/7
14=12x-34 x=4
21=4x+1 x=5
21=2x+1 x=10
34=3x+1 x=11
48=5x+23 x=5
72=7x+2 x=10
2=12x-34 x=3
28=9x+1 x=3
29=9x+2 x=3
31=5x+1 x=6
31=2x+1 x=15
31=3x+1 x=10
38=5x+23 x=3
3X+5X=48 x=6
14X-8X=12 x=2
6*5+2X=44 x=7
20X-50=50 x=5
28+6X=88 x=10
32-22X=10 x=1
24-3X=3 x=7
10X*（5+1）=60 x=1
99X=100-X x=1
X+3=18 x=12
X-6=12 x=18
56-2X=20 x=18
(x-2)12=8x x=614.59+x-25.31=0
x=10.72
x-48.32+78.51=80
x=49.81
820-16x=45.5×8
x=28.5
(x-6)×7=2x
x=8.4
3x+x=18
X=4.5
0.8x+2.2=6.6
x= 11
12.5-3x=6.5
x=2
1.2(x-0.64)=0.54
x=1.09
x+12.5=3.5x
x=5
8x-22.8=1.2
x=3
x/4=-x/2+3
x/4+x/2=3
3x/4=3
x=4
1/2（x*x-y）+1/3（x-y*y）+1/6（x*x+y*y）
=1/2x^2-1/2y+1/3x-1/3y^2+1/6x^2+1/6y^2
=2/3x^2-1/2y+1/3x-1/6y^2
x/4=-x/2+3 4、
x/4+x/2=34
3x/4=34
x=34
（x+0.5）+x=17
2x=17-0.5
x=8.25
x+14/7=x+20/4
4(x+14)=7(x+20)
4x+56=7x+140
3x=-84
x=-28
x+15/5=1/2— x—7/3
6(x+15)=15-10(x-7)
6x+90=15-10x+70
16x=-5
x=-5/16
-3x=15
x=15/(-3)
x=-5
-n/3-2=10
-n/3=12
n=-36
3x+3=2x+7
3x-2x=7-3
x=4
5/12x-x/4=1/3
5x-3x=4
2x=4
x=2
2/3—8x=3-x/2
4-48x=3(3-x)
4-48x=9-3x
-45x=5
x=-1/9
12、0.5x-0.7=6.5-1.3x
0.5x+1.3x=6.5+0.7
1.8x=7.2
x=4
3x-6/6=2x/5 -3
5(3x-6)=12x-90
15x-30=12x-90
3x=-60
x=-20
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