8x-2(1-x)=7x-3(x-1)
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8x-2(1-x)=7x-3(x-1)
![8x-2(1-x)=7x-3(x-1)](/uploads/image/z/19321008-24-8.jpg?t=8x-2%EF%BC%881-x%EF%BC%89%3D7x-3%EF%BC%88x-1%EF%BC%89)
8x-2+2x=7x-3x+3
10x-2=4x+3
10x-4x=3+2
6x=5
x=5/6
10x-2=4x+3
10x-4x=3+2
6x=5
x=5/6
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
(1)6+2(x-3)=X (2)8-2(x-7)=x-(x-4) (3)2x-(1.5x-1)=2(1.5x-1)
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
x+1分之x+2减去x+3分之x+4=x+5分之x+6减去X+7分之x+8 (解方程)
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^+x^6+x^7+x^8的值
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
(3-x)/(1-x)-(5-x)/(7-x)+(x^2-x)/(x^2-8x+7)=1
x+2/x+3-x+1/x+2=x+8/x+9-x+7/x+8
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
(X+2)/(X+1)-(X+4)/(X+3)=(X+6)/(X+5)-(X+8)/(X+7)