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1、一、解方程专题7+X=19 X+120=176 58+X=90 X+150=29079.4+X=95.5 2X+55=129 7 X=63 X 9=4.54.4X=444 X 4.5=90 X 5=100 6.2X=124X-6=19 X-3.3=8.9 X-25.8=95.4 X-54.3=100X-77=275 X-77=144 X 7=9 X4.4=10X78=10.5 X2.5=100 X3=33.3 X2.2=89-X=4.5 73.2-X=52.5 87-X=22 66-X=32.377-X=21.9 99-X=61.9 3.3X=0.3 8.8X=4.49X=0.03 7X=0.
2、001 56X=5 39X=33(X-4)=46 (+X)5=15 (X+5) 3=16 15(X+0.5)=1.512X+8X=40 12X-8X=40 12X+X=26 X+ 0.5X=6X-0.2X=32 1.3X+X=26 3X+5X=48 14X-8X=1265+2X=44 20X-50=50 28+6X=88 32-22X=1024-3X=3 10X（5+1）=60 99X=100-X X+3=18X-6=12 56-2X=20 4X+2=6 X+32=763X+6=18 16+8X=40 2X-8=8 4X-39=298X-3X=105 X-65=42 X+5=7 2X+3=10
3、X-0.8X=6 12X+8X=4.8 7(X-2)=49 48+2X=36(X-2)3=7 X5+9=21 (200-X)5=30 48-27+5X=313X-8=16 3X+9=27 5.3+7X=7.4 3X5=4.853-X=8 40-8X=5 X5=215 X+25=100X+15=30 2X+8=20 20-2X=6 2X+9=3135-5X=10 5（X-6）=2010（9-X）=20 6(X-3)=123(X-9)=33 54-X=24 7X=49 126X=4212X=0.3 6.75-X=1.68 0.7X=4.2 0.7X+65=37(10X-25)5=15 2X-7.5
4、=8.5 7.9X-X=8.97 13(X+5)=1692X+8=16 X5=10 X+7X=8 9X-3X=66X-8=4 5X+X=9 X5=10 X+7X=8X-8=6X 45X=20 2X-6=12 2X+8=169X-3X=6 6X-8=4 5X+X=9 X-8=6 X45X=20 2X-6=12 12X-8=4 X-56=77X+7=14 6X-6=0 5X+6=11 2X-8=103X+7=28 3X-7=26 9X-X=16 24X+X=5067X-8=4 3X-8=30 6X+6=12 3X-3=15X-3X=4 2X+16=19 5X+8=19 14-6X=815+6X=2
5、7 5-8X=4 7X+8=15 7X+7=146X-6=0 5X+6=11 2X-8=10 2X-8=4X-56=7 3X+7=28 3X-7=26 9X-X=1624X+X=50 67X-8=4 3X-8=30 6X+6=123X-3=1 5X-3X=4 2X+16=19 5X+8=19 14-6X=8 15+6X=27 5-8X=4 7X+8=159-2X=1 4+5X=9 10-X=8 8X+9=179+6X=14 X+9X=4+7 2X+9=17 8-4X=66X-7=12 7X-9=8 X-56=1 8-7X=1X-30=12 6X-21=21 6X-3=6 9X=184X-18=
6、13 5X+9=11 6-2X=11 261.5= 2XX+4+8=23 7X-12=8 X-5.7=2.15 5X-2X=18 9.25-X=0.403 16.9X=0. 3 X0.5=2.6 X+13=333 -5X=80 1.8- 6X=54 6.7X-60.3=6.7 9 +4X =400.2X-0.4+0.5=3.7 9.4X-0.4X=16.2 12 -4X=20 12X+34X=118X-14 X= 12 23 X-514 = 14 12 +34 X=56 22-14 X= 1223 X-14 X= 14 X+14 X= 65 23 X=14 X +14 30X-12X-14X=
7、15X-2X=30 89X-43X=9.2 5X-45=100 40X+61=2231.2X-0.5X=6.3 23.4=2X=56 4X-X=48.6 247X+114=3771X+3=124 35X+103=171 239X+51=119 187X+255=67135X+203=15 83X+151=219 31X+99=167 137X+43=111235X+47=115 183X+251=63 131X+199=11 79X+147=21579X+199=116 179X+247=59 127X+195=7 74X+142=21022X+90=158 226X+38=106 174X+
8、242=54 122X+190=270X+138=206 71X+191=107 128X+34=102 170X+238=50118X+186=254 163X+24=190 198X+78=93 57X+172=7866X+134=202 14X+82=150 218X+30=98 166X+234=46146X+214=26 94X+162=230 42X+110=178 42X+162=79100X+6=74 142X+210=22 90X+158=226 38X+106=174242X+54=122 239X+100=10 17X+153=169 133X+248=154221X+3
9、3=101 222X+86=2 23X+185=253 65X+133=20113X+81=149 217X+29=97 218X+82=254 19X+181=24961X+129=197 9X+77=145 6X+123=33 41X+177=193156X+15=177 245X+57=125 245X+110=26 47X+209=2189X+157=225 37X+105=173 37X+157=74 95X+1=69137X+205=17 134X+251=161 169X+48=64 28X+143=49169X+33=206 227X+133=201 13X+81=149 217X+29=97214X+74=240 248X+128=144 107X+222=128 249X+113=2950X+212=24 145X+9=181 202X+108=176 244X+56=124241X+102=12 20X+156
