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解方程带答案和过程

解方程1:3/8x-25%x=42:x÷4=30%3:3x+20%x=1124:x-40%x=3.6解:3/8-25%x=4解:x=30%*4解:32x=112解:60%x=361/8x=4x=1.2x=35x=6x=325:14%x-9.1=0.76:75%x-25%x=167:x-20%x=44*50%8:x-10%=18解:14%x=9.8解:0.5x=

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

1 2x-10.3x=152 0.52x-(1-0.52)x=803 x/2+3x/2=74 3x+7=32-2x5 3x+5(138-x)=5406 3x-7(x-1)=3-2(x+3)7 18x+3x-3=18-2(2x-1)8 3(20-y)=6y-4(y-11)9 -(x/4-1)=510 3[4(5y-1)-8]=6243

3X+5X=488x=48 x=614X-8X=12 6x=12 x=26*5+2X=44 2x=44-302x=14 x=720X-50=5020x=100 x=528+6X=886x=60 x=1032-22X=10 22x=32-10 x=124-3X=33x=24-33x=21 x=710X*(5+1)=6060x=60 x=199X=100-X 100x=100 x=1 X+3=18 x=18-3

(3-x)/2=(x-4)/3两边乘63(3-x)=2(x-4)9-3x=2x-82x+3x=9+85x=17x=17/55x/24=(3x-4)/8-2两边乘245x=9x-12-489x-5x=12+484x=60x=15(y-1)/2=2-(3y-4)/5两边乘105(y-1)=2*10-2(3y-4)5y-5=20-6y+85y+6y=20+8+511y=33y=3

分式方程: (X+2)/X=(X+5)/(X+1) X=1 100/(X+3)==200/(X-1) x=-7 4/x+4/x=1 x=9 1/2+1/(x+3)=(2-x)/(x+3) x=-3/2 (x+5)/(x+8)=(x+6)/(x+7) x=-13/2 10/2x=10/x+1/3 x=-15 (x-1)/(x-3)=(x+1)/(x-1) 无解 2/(x-3)=3/(x-3) 无解 3/(x+4)=3/(x-4) 无解 30/(x+

看看吧 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=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+54y=8546 71x-y=5680 答案:x=80

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