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1、(0.5+x)+x=9.8+ 21.2x=81.67(x-2)=2x+37.5 X 2X=153x- 8= 1630 + x+25=852(X+X+0.5)=9.8x+5.6=9.43x+9=2725000+x=6xx-0.7x=3.618(x-2)=2703200=450+5X+X91 - x = 1.312x=300-4xX-0.8X=6X+8.3=10.77x+5.3=7.412x-8x=4.815x = 33x - 5=4.81.4 X 8-2x=61.5x+18=3x48-27+5x=317(6.5+x)=87.5x+ 5+9=210.1(x+6)=3.3 X 0.46x-12.8
2、X 3=0.065 X 3-x + 2=810.5+x+21=56410-3x=1700.273 - x=0.35x+2x+18=783(x+0.5)=211.8x=0.972(200-x) + 5=300.5x+8=43x + 0.756=90(x-140) - 70=46x-3x=189x-40=520-9x=1.2 X 6.25(27.5-3.5)- x=4x+3x+10=706x+12.8=15.85(x+8)=1024x-1.3 X 6=2.613.2x+9x=33.3x+19.8=25.83(x+3)=50-x+3150X 2+3x=6905.6x=33.65x+15=602x-2
3、0=49.8-x=3.83.5-5x=23x+6=1875.6 - x=12.60.3 X 7+4x=12.52(2.8+x)=10.45x+12.5=32.3x - 1.5-1.25=0.75(x-3) + 2=7.53x=x+1003.4x-48=26.810.5x+6.5x=512x-97=34.24.2 x+2.5x = 1344.5x-x=28x+4.8=7.242x+25x=13489x-43x=9.26x+18=481.5(x+1.6)=3.65x-45=1003(x+2.1)=10.52(x-3)=5.81.2x-0.5x=6.312x-9x=8.765x+7=4223.4=2
4、x=5613(x+5)=1699x+4 X 2.5 = 914x-x=48.6X-5.7=2.1516.9 + X=0.32x+8=1613 9.25 X=0.4039 4x= 40x-8=6x15 5X-2X=1823x=14x1423x-14x=143X+0.7=5x 14x=65X+7x=83.5 X 2= 4.2+x3 5x = 809x-3x=626X 1.5= 2x+101.8 +6x = 546x-8=40.5 X 16 16X 0.2=4x6.7x 60.3 = 6.75x+x=92x-6=123x-7=265x-3x=47x+7=149x-x=162x+16=19 5x+8=
5、196x-6=024x+x=5014-6x=85x+6=111.2x-8=415+6x=272x-8=103x-8=305-8x=42.5x-8=46x+6=127x+8=153x+7=283x-3=19-2x=14+5x=96x-7=129x=1810-x=87x-9=84x-18=138x+9=17x-56=15x+9=119+6x=148-7x=16-2x=11x+9x=4+7x-30=12x+4+8=232x+9=176x-21=217x-12=88-4x=66x-3=6X-5.7=2.1515 5X-2X=18 3.5 X 2=0.2x 0.4 + 0.5 = 3.730x-5.6=
6、9.4 x -4.2 x 26 X 1.5= 2x9.4x 0.4x = 16.2 120.8=909.25 X=0.403 16.9- 4x= 20 2x + 34x=13x8=16 3x+9=27+ X=0.3 X- 0.5=2.6 318x 14x=12 23 x 55.3+7x=7.4 3x -5x = 80X 14=14 12 + 34x=565=4.81.8-6x = 54 6.7x -22 14x=12X-0.8X=660.3 = 6.7 9 + 4x= 40X+8.3=10.7 5x12x+8x=4.87(x-2)=498+2x=36(x-2)* 3=7 x *5+9=21(200-x)*5=30 48-27+5x=319-x=3 91 * x = 1.341- 3x=17 81 * 3x=9
