http://wenku.baidu.com/view/cd8c41d176a20029bd642d15.html這是鏈接都是看看行不這我都寫了3x+3分之1=9分之70。8x=0.123x+48=1683x-x=1563x+11=5x-5 3.8x=17.48 x÷6.7=19.43 3x+1.5x=135 100-5x=93x+12.8=30 55-x=32.76x÷70=4.9 5.6x=78.4 18x+21=48 8x-4x=563.6x+2.2x=63.8 2x+24=108 2x+8=16x/5=10x+7x=89x-3x=6 6x-8=4 5x+x=9 x-8=6x4/5x=20 2x-6=127x+7=146x-6=05x+6=11 2x-8=101/2x-8=4x-5/6=73x+7=283x-7=269x-x=1624x+x=50 (20)6/7x-8=4 (30)3x-8=30 (31)6x+6=12 (32)3x-3=1 (33)5x-3x=4 (34)2x+16=19 (35)5x+8=19 (36)14-6x=8 (37)15+6x=27 (38)5-8x=4 (39)7x+8=15 (40)9-2x=1 (41)4+5x=9 (42)10-x=8 (43)8x+9=17 (44)9+6x=143X+5X=48 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 4y+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 12x-9x=9 6x+18=48 56x-50x=30 5x=15 78-5x=28 32y-29=3 5x+5=15 89x-9=80 100-20x=20 55x-25x=60 76y-75=1 23y-23=23 4x-20=0 80y+20=100 53x-90=16 2x+9x=11 12y-12=24 80+5x=100 7x-8=6 65x+35=100*是什么意思？題啊有分?jǐn)?shù)的嗎？小數(shù)就是分?jǐn)?shù)另一種形式，我在幫你看看其他的題這樣叫我沒法寫。要不然你幫我化分?jǐn)?shù)13/21-x=3/14x-[2/5+1/3]=7/30x-5/12=3/8 x+3/4=5/4 1-x=3/5+1/10x+2/3-1/2=2x-3分之1=9分之74分之3+x=5分之6還有嗎？X＋3.5 =8 5x =20.5x－4.8 =23.56x÷3.6 =8.27.4＋x =30x－308 =692 2.5x =75 x÷6.4 =203.6x =7.2x＋38.9 =80 x－2.4 =21 x÷34 =2.7126÷X=42 13+x=28.5 2.4X=26.4 10－x=8.53.5x = 14013x－ 59.71= 5.29 4.2×3—3x = 5.11 5x＋1.5 = 4.5 x＋3.86=5.46 17.89－x=12.8940.8＋x=57.3 2x＋0.82﹦8.2 3＋0.5x﹦7 7.8÷x﹦2.680x÷4﹦125＋0.9x﹦2752x＋0.4x=48 35x＋13x=9.60.52×5＋4x=16 0.7(x＋0.9)=421.3x＋2.4×3=12.424x－8x＝28.8 4.5×2＋5x＝1808x－7.2×5＝1213＋A＝28.5（7－1.4）x＝2.89x－5.2×6＝4.8 7x－0.8x＝9.3 x÷0.84＝2.313＋x＝98.5 x－0.84x＝0.8x÷0.26＝0.520.25x＋3.75＝12 x＋1.8×2＝7.5x÷7.2＋3.8＝15 0.6x＋x＝217.6＋2.4x＝50 5x－1.5x＝282x÷15＝4（