作业帮4.8-x=3{x-6}
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4.8-x=3{x-6}
4.8-x=3{x-6}
4.8-x=3{x-6}
4.8-x=3{x-6}
4.8-x=3x-18
3x+x=4.8+18
4x=22.8
x=5.7
x-o.8x=6 12x-8x=4.8 3x-8=16 7.5x-2x x-0.7x=3.6 求答案
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
2x+3x+4x+5x+x+6x+7x=100
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
已知3x*x-x=1,求6x*x*x+7x*x-5x+2000
X(x平方-6x-9)-x(x平方-8x-15)+2x(3-x)其中x=-六分之一
6x-3x=4.8
4.8-x=3{x-6}
3x-4*6=4.8+x
3x+5x-6x=?
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x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
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[3/x]-[4/x-1]=6/x-x²
3.268=3X()+2X()+6X()+8X()
[3/x]-[4/x-1]=6/x-x²
x平方+5x+6=(x+3)(x+几)