40%x+720=62.5%x x=?

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40%x+720=62.5%xx=?40%x+720=62.5%xx=?40%x+720=62.5%xx=?62.5%X-40%X=72022.5X=720*100X=3200

40%x+720=62.5%x x=?
40%x+720=62.5%x x=?

40%x+720=62.5%x x=?
62.5%X-40%X=720
22.5X=720*100
X=3200

40%x+720=62.5%x x=? （X+X)+(X-X)+(X*X)+(X/X)=100 x-40%x= x*x*x*x*x=80000? x-40%x-40%x=15 x+40=2x x=? X×X+(40-X)=58 X乘以X等于40 ---------------------X=? 10x+x*x=40 (x+40%x)×85%-x=95 (x+40%x)×85%-x=95 4x+x=40x 40%x+70%x-x=1.8 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