四年级下册解方程67252.doc

_4+x=7 4+x-2=7 x-6=9+3 4x=16 24-x=15+2x 3(x+6)=2+5x 2(x+4)-3=2+5x 20x-50=50 24-3x=3 36x=18 36x-2=16 4y+2=6 16+8x=40 8x-3x=105 2（x+3）+3=13 56x-50x=30 32y-29y=3 100-20x=20+30x 23y23=23 53x-90=16 805x=100 x+6=9 x-6=9 9+3=17-x 15=3x 2+5x=18+3x 2(2x-1)=3x+10 4+x=7+5 17-x=9 16+2x=24+x 4x+2=18 6x-2=3x+10 30-4(x-5)=2x-16 30+4(x-5)=2x-26 100-3(2x-1)=3-4x 28+6x=88 10x（5+1）=60 x6=12 x6+3=9 x+32=76 2x-8=8 x-65=42+2x 12x-9x=9 5x=15（x-5） 5（x+5）=15 55x-25x=60 4x-20=0 2x+9x=11 7x8=14 32-22x=10 99x=100-x 56-2x=20 56-3x=20-x 3x+6=18 4x-39=29 2x+5=73 6x+18=48 78-5x=28 899x=80 76y76=1 80y+20=100-20y 12（y-1）=24 65x+35=100 3X+5X=48 14X-8X=12 65+2X=44 24-3X=3 56-2X=20 3x+6=18 20X-50=50 99X=100-X 75-5x=15 16+8x=40 28+6X=88 X+3=18 4y+2=6 2x-8=8 x+5=7 56x-50x=30 5x+5=15 76y-75=1 53x-90=16 7x-8=6 79y+y=80 80y-90=70 20x=40 5x-50=40 20X-50=50 99X=100-X 4y+2=36 2x-8=28 12x-3x=9 8+15x=28 100-10x=20 32-22X=10 X-6=12 x+32=76 8x-3x=105 2x+3=10 5x=15 89x-9=80 23y-23=23 2x+9x=11 65x+35=100 42x+28x=140 78y+2y=160 65y-30=100 3X+5X=48 28+6X=88 X+3=18 x+32=66 8x-3x=205 6x+8=38 32y-6=26 x-65=42 12x-9x=9 78-5x=28 100-20x=20 4x-20=0 12y-12=24 19y+y=40 3x-1=8 88-x=80 51y-y=100 14X-8X=12 32-22X=10 56-2X=20 3x+6=27 x+5=47 26x-20x=30 5x-15=15 76y-75=1 16+8x=40 2x+3=63 5x=105 9x-18=18 13y-13=13 6x+18=48 32y-29=3 55x-25x=60 80y+20=100 80+5x=100 25-5x=15 90y-90=90 9-4x=1 5y+8=28 19y+y=40 24-3X=3 55x-15x=140 4x-80=0 12y-12=36 20y+y=42 80y-50=30 20x=140 80y+20=500 80+5x=200 42x+28x=280 78y+2y=240 25y-50=200 23x-30=16 7x-8=6 3x-1=14 88-x=180 51y-y=200 2x+9x=11 65x+35=100 y-90=90 9-4x=5 35y+1=71 2x-3(4x-9)=x-6 2(2x+7)=5-4(x-1)+21 2(3x-5)=13+5(5-2x) 48-(x+8)=3(x-4) 5(6-2x)+4=34+4(7-3x) 2x-3(4x-9)=2+5(1-x)44-10x+5x=