(x-16.7%)/x=-8.6% X=?

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(x-16.7%)/x=-8.6% X=?
(x-16.7%)/x=-8.6% X=?

(x-16.7%)/x=-8.6% X=?
（x-16.7%)/x=-8.6%
(x-0.167)=0.086x
x-0.086x=0.167
0.914x=0.167
x=0.1827133479

0.154、约等于。

(x-16.7%)/x=-8.6%
x-0.167=-0.086x
x+0.086x=0.167
1.086x=0.167
x=0.167÷1.086
x=0.154

去分母啊
x-16.7%=-8.6%x
x+8.6%x=16.7%
1.086x=0.167
x=……

(x-16.7%)/x=-8.6% X=? （X+X)+(X-X)+(X*X)+(X/X)=100 x*x*x*x*x=80000? x*x*x=504 x*x*x=504 （x+x）+(x-x)+(x/x)=11.2 f(x)=x,x x+x=x+15 X(X-1)=X 180=( )x( )x( )x( ) ×( ) (x+30)*(x-18)=x*x x+ x+(x*50%)=1.5X? f(x)=x^2+x (x 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. x=?x=? x-40%x= X+0.8X=? x-0.36x= A=｛X|X