8x-3(50-x)=170
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8x-3(50-x)=1708x-3(50-x)=1708x-3(50-x)=1708x-150+3x=17011x=320x=320/118x-3(50-x)=1708x-150+3x=17011x
8x-3(50-x)=170
8x-3(50-x)=170
8x-3(50-x)=170
8x-150+3x=170
11x=320
x=320/11
8x-3(50-x)=170
8x-150+3x=170
11x=320
x=320/11
8x-3(50-x)=170
8x-150+3x=170
8x+3x=170+150
11x=330
x=330/11
x=30
8x-3*(50-x)=170
8x-150+3x=170
5x=320
x=64
8x-3(50-x)=170
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
x+3x+x-2+x+x+50%x=188 求x
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
X(x平方-6x-9)-x(x平方-8x-15)+2x(3-x)其中x=-六分之一
3x+5x=8x.
4,8-x=3x(x
8x(x-5)=3x
(x+1)/(x+2)+(x+8)/(x+9)解答x+1/x+2+x+8/x+9=x+2/x+3+x+7/x+8
8x-3(50-x)=180
8x-(50-x)*3=180
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x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x
(x+x+23+x+50)=3x 怎么解
(x+1)+(x+2)+(X+3).+(x+50)=1325
8x+3(x-2)=5x+(x-3)
X+0.5X=3 X-0.8X=8