一、解方程专题
7+=19 X+120=176 58+X= 90 X+150=290
79.4+X=95.5 2X+55=129 7 X=63 X× 9=4.5
4.4X=444 X × 4.5=90 X × 5=100 6.2X=124
X-6=19 X-3.3=8.9 X-25.8=95.4
X-54.3=100
X-77=275 X-77=144 X ÷7=9 X÷4.4=10
X÷78=10.5 X÷2.5=100 X÷3=33 .3 X÷2.2=8
9-X=4.5 73.2-X=52.5 87-X=2 2 66-X=32.3
77-X=21.9 99-X=61.9 3.3÷X= 0.3 8.8÷X=4.4
9÷X=0.03 7÷X=0.001 56÷X=5
39÷X=3
3×(X-4)=46 (８+X)÷5=15(X+5) ÷3=1615÷(X+0.5)=1.5
12X+8X=40 12X-8X=40 12X+X=26 X+ 0.5X=6
X-0.2X=32 1.3X+X=26 3X+5X=4 8 14X-8X=12
6×5+2X=44 20X-50=50 28+6X=88
32-22X=10
24-3X=3 10X×（5+1）=60 99X=100-X X+3=18
X-6=12 56-2X=20
4X+2=6 X+32=76
3X+6=18 16+8X=40 2X -8=8 4X-3×9=29
8X-3X=105 X-6×5=42 X+5=7
2X+3=10
X-0.8X=6 12X+8X=4.8 7(X-2)=49
4×8+2X=36
(X-2)÷3=7 X÷5+9=21 (200-X)÷5 =30 48-27+5X=31
3X-8=16 3X+9=27 5.3+7X=7.
4 3X÷5=4.8
5×3-X=8 40-8X=5 X ÷5=215 X+25=100
X+15=30 2X+8=20
20-2X=6 2X+9= 31
35-5X=10 5（X-6）=20 10（9-X）=20 6(X-3)=12
3(X-9)=33 54-X=24
7X=49 126÷X=42
12÷X=0.3 6.75 -X=1.68 0.7X=4.2 0.7X+6×
5=37
(10 X-25)÷5=15 2X -7.5 = 8.5 7.9X -X = 8.97
13(X + 5 ) = 169
2X+8=16 X÷5=10 X+7X=8 9X-3X=6
6X-8=4 5X+X=9 X÷5=10 X+7X=8
X-8=6X 4÷5X=20 2X-6=12 2X+8=16
9X-3X=6 6X-8=4 5X+X=9 X-8=6
X
4÷5X=20 2X-6=12 1÷2X-8=4 X-5÷6=7
7X+7=14 6X-6=0 5X+6=11 2X-8=10
3X+7=28 3X-7=26 9X-X=16 24X+X=50
6÷7X-8=4 3X-8=30 6X+6=12 3X-3=1
5X-3X=4 2X+16=19 5X+8=19 14-6X=8
15+6X=27 5-8X=4 7X+8=15 7X+7=14
6X-6=0 5X+6=11 2X-8=10 2X-8=4
X-5÷6=7 3X+7=28 3X-7=26 9X-X=16
24X+X=50 6÷7X-8=4 3X-8=30 6X+6=12
3X-3=1 5X-3X=4 2X+16=19 5X+8=19
14-6X=8 15+6X=27 5-8X=4 7X+8=15
9-2X=1 4+5X=9 10-X=8 8X+9=17
9+6X=14 X+9X=4+7 2X+9=17 8-4X=6
6X-7=12 7X-9=8 X-56=1 8-7X=1
X-30=12 6X-21=21 6X-3=6 9X=18
4X-18=13 5X+9=11 6-2X=11 26×1.5= 2X
X+4+8=23 7X-12=8 X-5.7=2.15 5X-2X=18
9.25-X=0.403 16.9÷X=0. 3X÷0.5=2.6
X+13=33
3 -5X=80 1.8- 6X=5
4 6.7X-60.3=6.7 9 +4X
=40
0.2X-0.4+0.5=3.7 9.4X-0.4X=16.2 12 -4X=20 12X+34X=1
18X-14 X= 12 23 X-5×14 = 14 12 +34 X=56 22-14 X=
12
23 X-14 X= 14 X+14 X= 65 23 X=14 X +14
30X-12X-14X=1
5X-2X=30 89X-43X=9.2 5X-45=100 40X+61=223
1.2X-0.5X=6.3 23.4=2X=56 4X-X=48.6 247X+114=37
71X+3=124 35X+103=171 239X+51=119 187X+255=67
135X+203=15 83X+151=219 31X+99=167 137X+43=111
235X+47=115 183X+251=63 131X+199=11 79X+147=215 79X+199=116 179X+247=59 127X+195=7 74X+142=210 22X+90=158 226X+38=106 174X+242=54 122X+190=2 70X+138=206 71X+191=107 128X+34=102 170X+238=50 118X+186=254 163X+24=190 198X+78=93 57X+172=78
66X+134=202 14X+82=150 218X+30=98 166X+234=46 146X+214=26 94X+162=230 42X+110=178 42X+162=79 100X+6=74 142X+210=22 90X+158=226 38X+106=174 242X+54=122 239X+100=10 17X+153=169 133X+248=154 221X+33=101 222X+86=2 23X+185=253 65X+133=201
13X+81=149 217X+29=97 218X+82=254 19X+181=249 61X+129=197 9X+77=145 6X+123=33 41X+177=193 156X+15=177 245X+57=125 245X+110=26 47X+209=21 89X+157=225 37X+105=173 37X+157=74 95X+1=69 137X+205=17 134X+251=161 169X+48=64 28X+143=49
169X+33=206 227X+133=201 13X+81=149 217X+29=97 214X+74=240 248X+128=144 107X+222=128 249X+113=29 50X+212=24 145X+9=181 202X+108=176 244X+56=124 241X+102=12 20X+156=172 135X+250=156 20X+141=57 78X+240=52 120X+188=256 120X+241=157 178X+84=152
13X+130=40 48X+184=199 163X+22=184 48X+168=85 106X+12=80 197X+58=224 232X+112=127 91X+206=112 232X+96=13 34X+196=8 128X+248=165 186X+92=160 21X+138=48 55X+191=207 171X+30=192 56X+176=92 113X+19=87 208X+72=244 9X+171=239 100X+217=127
135X+15=31 47X+214=224 245X+151=219 80X+197=107 115X+251=11 230X+89=251 115X+236=152 173X+79=147 11X+132=48 69X+231=43 160X+21=187 195X+75=90 106X+17=28 49X+211=23 143X+7=180 250X+205=115 123X+3=18 34X+201=212 233X+139=207 68X+185=95
103X+238=254 14X+181=192 213X+119=187 51X+171=88 158X+112=22 30X+166=182 198X+109=119 140X+46=114
235X+99=15 85X+40=206 214X+94=110 126X+37=47 117X+72=238 246X+126=142 157X+69=79 100X+6=74
194X+59=231 (0.5+X)+X=9.8÷2 2(X+X+0.5)=9.8 25000+X=6X