(8.9-x)/x=0.6

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(8.9-x)/x=0.6
(8.9-x)/x=0.6

(8.9-x)/x=0.6
(8.9-x)/x=0.6
8.9-x=0.6x
1.6x=8.9
x=5.5625

(8.9-x)/x=0.6 （X+X)+(X-X)+(X*X)+(X/X)=100 0.6x(200-X)-4X=106.2 X=? x--0.6x=4.8 x-0.6x=14 0.6x+140 =X (10000-x)/x=0.6 0.6X+140 =X x-0.6x=5.6 x-0.6x=2.4 x-0.9=x+0.6 x-0.6x=0.7 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