250%=+10%x=70

x+(x+20)+（x-10）+70+x=540 . 初一求两个x的值 x+(x+10)+[180-(x+70)]=180x=?x+(x+20)+(x-10)+70+x=540x=? x/250-2x/300=10 24=X+(X-10)70% 5X+6(X+10)+10(X+30)+6(X+70)+3(X+150)=2730,X等于多少 (x+7+x)^2=10(x+7)+x(x+7+x)^2=10(x+7)+xx^2+49+x^2=10x+70+x2x^2+49-10x-70-x=0求下面的过程 x+(x-12)+(x-8)=70 40%x+70%x-x=1.8 (x+12)(x-2)+(x+7)(x+8)-(x+5)(x-10),其中x=2 （X+X)+(X-X)+(X*X)+(X/X)=100 25％x+x=10 x=? (x+7/x+6) +(x+9/x+8)=9x=(x+10/x+9) +(x+6/x+5) 解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1 X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4) X+X-10+X+8=100 80%x+30-x=10%x 10x+x*x=40 求x:x(10^x)=100