12-4x=20 1.2x-0.5x=6.3 91÷x=1.3 5(x+8)=102 18(x-2)=270 1.8x=0.972 9+6X=14
20-2X=6
X÷2.5=100
X-6=12
95X+1=69
12X+8X=40
x+4+8=23 1.2x-8=4 90X+158=226 5x-45=100 X-0.8X=6 0.1(x+6)=3.3×0.4 9.4X-0.4X=16.2
X-8=6 X
6X+123=33
2X+8=20
X-6=19
28+6X=88
6x-6=0 X+8.3=10.7 3x-8=16 7x+8=15 5x+15=60 128X+34=102 X+7X=8
6X+6=12
3X-3=1
3X+7=28
X+32=76
31X+99=167
0.2x-0.4+0.5=3.7 242X+54=122 0.273÷x=0.35 9.8-x=3.8 2x+9=17 x÷5+9=21 7X-9=8
134X+251=161
15÷(X+0.5)=1.5
10X×(5+1)=60
3X-3=1
X+ 0.5X=6
9.25-X=0.403 x÷0.8=90 (0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 x+3x+10=70 5x+8=19 9X-X=16
169X+48=
79.4+X=95.5
2X+55=129
56-2X=20
23.4=2X=56
5x+6=11 9x-3x=6 174X+242=54 22X+90=158 239X+100=10 12x+8x=4.8 X-8=6X
X÷5=10
239X+51=119
71X+3=124
156X+15=177
23 X=14X +14
163X+24=190 226X+38=106 X+8.3=10.7 71X+191=107 23 x-5×14=14 81÷3x=9 183X+251=63
35X+103=171
X÷3=33.3
83X+151=219
8-7X=1
4X-X=48.6
66X+134=202 6x-21=21 10.5x+6.5x=51 0.3×7+4x=12.5 x+4.8=7.2 12+34x=56 79X+199=116
7X+8=15
X+9X=4+7
16+8X=40
4×8+2X=36
4+5X=9
6.7x-60.3=6.7 x-30=12
7.9X-X=8.97
5-8X=4