1、精選優(yōu)質(zhì)文檔-傾情為你奉上(0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 25000+x=6x 3200=450+5X+X X-0.8X=6 12x-8x=4.8 7.5×2X=15 1.2x=81.6 x+5.6=9.4 x-0.7x=3.6 91÷x1.3 X+8.3=10.7 15x3 3x816 7(x-2)=2x+3 3x+9=2718(x-2)=270 12x=300-4x 7x+5.3=7.4 3x÷5=4.8 30÷x+25=851.4×8-2x=6 6x-12.8×3=0.06 410-3x=

2、1703(x+0.5)=21 0.5x+8=43 6x-3x=18 7(6.5+x)=87.51.5x+18=3x 5×3-x÷2=8 0.273÷x=0.35 1.8x=0.972 x÷0.756=90 9x-40=5 x÷5+9=21 48-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x)÷5=30 (x-140)÷70=4 20-9x=1.2×6.250.1(x+6)=3.3×0.4 (27.5-3.5)÷x=4 x+19.8=25.8 5.6x=33.6

3、9.8-x=3.875.6÷x=12.6 5x+12.5=32.35(x+8)=102 x+3x+10=70 3(x+3)=50-x+3 5x+15=60 3.5-5x=2 0.3×7+4x=12.5 x÷1.5-1.25=0.75 4x-1.3×6=2.6 6x+12.8=15.8 150×2+3x=690 2x-20=4 3x+6=18 2(2.8+x)=10.4 (x-3)÷2=7.5 13.2x+9x=33.3 3x=x+100 x+4.8=7.2 6x+18=48 3(x+2.1)=10.5 12x-9x=8.7 13(x+

4、5)=169 2x-97=34.2 3.4x-48=26.8 42x+25x=134 1.5(x+1.6)=3.6 2(x-3)=5.8 65x+7=42 9x+4×2.591 4.2 x+2.5x134 10.5x+6.5x=51 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56 4x-x=48.6 4.5x-x=28 X-5.7=2.15 15 5X-2X=18 3X+0.7=53.5×2= 4.2+x 26×1.5= 2x+10 0.5×1616×0.2=4x 13 9.25X=0.40316.

5、9÷X=0.3 23x=14x14 x14x=65 35x80 1.8 +6x54 6.7x60.36.7 94x40 2x+8=16 23x-14x=14 X+7x=8 9x-3x=66x-8=4 5x+x=9 x-8=6x2x-6=12 7x+7=14 6x-6=0 5x+6=11 2x-8=10 2.5x-8=4 3x+7=28 3x-7=26 9x-x=16 24x+x=501.2x-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

6、 10-x=8 8x+9=179+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=135x+9=11 6-2x=11 x+4+8=237x-12=8X-5.7=2.1515 5X-2X=18 3.5×2= 4.2 x 26×1.5= 2x9.25X=0.403 16.9÷X=0.3 X÷0.5=2.6 35x80 1.8-6x54 6.7x60.36.7 94x40 0.2x0.40.53.7 9.4x0.4x16.2 124x20 2x34x=1 18x14x=12 23 x5×14=14 1234x=56 2214x=12X+8.3=10.7 5x 30 x-5.6=9.4 x÷0.8=903x816 3x+9=27 5.3+7x=7.4 3x÷5=4.8X-0.8X=6 12x+8x=4.8 7(x-2)=49 4×8+2x=36(x-