解方程10x-48+8x=42

解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=(x/2)*(2/x(x+2))+(2/(x+2)(x+4))+

2x+8x=42悬赏10解方程合并同类项10X=42相除X=4.22x+8x=42提取x得：（2+8）x=4210x=42x=4.22x+8x=4210x=42x=4.2x=4.22x+8x=4210x=42x=4.210X=42X=4.2

解方程：（10-2X）（8-X)=4880-10x-16x+2x^2=482x^2-26x+32=0x^2-13x+16=ox=（13+-根号105）/2原式为：（5-X）（8-X）=2440-5X-8X+X^2=24X^2-13X-26=

14(x-8)(x+16)=4x(x+16)+10x(x-8)解方程14(x-8)(x+16)=4x(x+16)+10x(x-8)7(x²+8x-128)=2x²+32x+5x²-40x7x²+56x

解方程：(x+7/x+6)+(x+9/x+8)=(x+10/x+9)+(x+6/x+5)(x+7)/(x+6)+(x+9)/(x+8)=(x+10)/(x+9)+(x+6)/(x+5)(x+6+1)/(x+6)+(x+8+1)/(x+8)=

解方程X+7/X+6+X+9/X+8=X+10/X+9+X+6/X+5X+7/X+6+X+9/X+8=X+10/X+9+X+6/X+5移项后得7/x+9/x-10/x-6/x＝9+5-8-6（7+9-10-6）/x＝00/x＝0所以x为不等

解方程：（2x+5)(4x*x-10x+25)=8x(x*x+1)（2x+5)(4x*x-10x+25)=8x(x*x+1)8x^3-20x^2+50x+20x^2-50x+125=8x^3+8x,8x=125,x=125/8或利用立方和公

解方程(x^2-10x+15)/(x^2-6x+15)=3x/(x^2-8x+15)交叉相乘有(x^2-8x+15)^2-2x(x^2-8x+15)=3x(x^2-8x+15)+6x^2(x^2-8x+15)^2-5x(x^2-8x+15)

⒈解方程(X+7)/(X+6)+(X+9)/(X+8)=(X+10)/(X+9)+(X+6)/(X+5)⒉若1/X-1/Y=3求(2X-3XY-2Y)/(X-2XY-Y)的值⒊若1/(Y+Z)=Y/(Y+Z+1)=Z/(X+Y-1)=X+Y

解方程：x-0.75x=42苍月Swart,你好：x-0.75x=420.25X＝42X＝42÷0.25X=168(1-0.75)x=420.25x=42x=42*4=168x-0.75x=42x=10.5x-0.75x=42x=10.5我

x+x+22=42解方程x+x+22=42)2x+22=422x+22-22=42-222x=202x/2=20/2x=10

1.7x=x+42解方程1.7x=x+421.7x-x=420.7x=42x=601.7x-x=420.7x=42x=60

x+6x=42解方程x+6x=427x=42x=42÷7x=6不懂可追问,有帮助请采纳,谢谢!7x=42x=67x=42x=6x+6x=7x=42x=67x=42x=42÷7x=6

解方程X+40%X=42X+40%X=421.4x=42x=30x+0.4x=421.4x=42x=42/1.4x=30z+0.4x=421.4x=42x=42/1.4=301.4X=42X=30

解方程x=7x-42x=7

5x+x=48解方程5x+x=486x=48x=48÷6x=86x=48x=86x＝48x＝85x+x=48解6x=48x=48除以6x=85x+x=48(5+1)x=486x=48x=48÷6x=8

3X-48=x解方程3X-48=x3x-x=482x=48x=48÷2x=24如果本题有什么不明白可以追问,请及时点击右下角的【好评】按钮

解方程x(8+x)=16 我会

解方程x(x+8)=16x=1j4+-4根号2在实数范围无解4*根号2-4

解方程2x+|x|=8x0所以x=8/3解方程2x+|x|=8(1)x>=0方程2x+|x|=8变为3x=8x=8/3(2)x所以x=8/3。