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100道解方程题带答案

.x+2=3 x=1 2.x+32=33 x=1 3.x+6=18 x=12 4.4+x=47 x=43 5.19-x=8 x=11 6.98-x=13 x=85 7.66-x=10 x=56 8.5x=10 x=2 9.3x=27 x=9 10.7x=7 x=1 11.8x=8 x=1 12.9x=9 x=1 13.10x=100 x=10 14.66x=660 x=10 15.7x=49 x=7 16.2x=4 x=2 17.3x=9 x=3

2x+17=35 3x-64=11 12+8x=52 0.8x-4.2=2.2 2x+5=10 3x-15=75 4x+4o=320 3x+77=122 5x-1.6=0.6 6x-4=20 10x-0.6=2.4 500-12x=140 1) 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=

3X+5X=48 14X-8X=12 6*5+2X=4420X-50=50 28+6X=88 32-22X=1024-3X=3 10X*(5+1)=60 99X=100-XX+3=18 X-6=12 56-2X=204y+2=6 x+32=76 3x+6=1816+8x=40 2x-

2(x-2)-3(4x-1)=9(1-x) 11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7)-2[9-4(2-x)]=22 3/2[2/3(1/4x-1)-2]-x=2 2(x-2)+2=x+1 5x^2+3x+1=0 7x^2+x+12=0 2x^2+4x+4=0 8x^2+3x+1=0 5x^2+3x+2=0 45x^2+3x+100=0 89x^2+335x+1=0 x+1=3 2x+3=5 3x+5=8

一、填空题(每小题3分,共24分)1.(-1)2002-(-1)2003=_________________.答案:22.已知某数的 比它大 ,若设某数为x,则可列方程_______________.答案: x=x+3.

1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 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

展开全部3X+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

(1)2x+8=162x=16-8 x=8÷2 x=4 (2)x÷5=10 x=5*10 x=50 (3)x+7x=88x=8 x=8÷8 x=1 (4)9x-3x=66x=6 x=6÷6 x=1 (5)6x-8=46x=8+4 x=12÷6 x=2 (6)5x+x=96x=9 x=9÷6 x=1.5 (7)8x-8=6x8x-6x=82x=8 x=8÷2 x=4 (8)40÷5x=205x=40÷20 x=2÷5 x=0.4 (9)2x-6=

3X-(1/2+1/4)=7/12 3X=7/12+3/4 3X=4/3 X=4/9 (2) 6.6-5X=3/4-4X 6.6-0.75=-4X+5X X 1-2(2x+3)= -3(2x+1)2(x-2)-3(4x-1)=9(1-x) 11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7

题:10 x + 90 = 290 10 x = 290-90x= 200/10x= 20题:10 x + 91 = 291 10 x = 291-91x= 200/10x= 20题:10 x + 92 = 292 10 x = 292-92x= 200/10x= 20题:10 x + 93 = 293 10

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