4x=x+3
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![4x=x+3](/uploads/image/z/8566019-35-9.jpg?t=4x%3Dx%2B3)
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4x=x+3
4x=x+3
4x=x+3
4x-x=3
(4-1)x=3
3x=3
x=1
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4x-x=3
3x=3
x=1
一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X
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(x-3/x-2)-(x-2/x-1)=(x-5/x4) -(x-4/x-3)
x-2x+3x-4x+5x.+99x-100x=25求解
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x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
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x^2-3x=x-4
4,8-x=3x(x
4x-2(x-3)=x
x(x-4)=-3 x^2
化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4
写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
4x-3x(20-x)=4求x
x-3/4x=(108-x)-4/5x