2X-3/5-(2/3X-3)=0 X=?
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2X-3/5-(2/3X-3)=0X=?2X-3/5-(2/3X-3)=0X=?2X-3/5-(2/3X-3)=0X=?2x-3/5-2/3x+3=04/3x+12/5=04/3x=-12/5x=-9
2X-3/5-(2/3X-3)=0 X=?
2X-3/5-(2/3X-3)=0 X=?
2X-3/5-(2/3X-3)=0 X=?
2x-3/5-2/3x+3=0
4/3x+12/5=0
4/3x=-12/5
x=-9/5
X=6
1/3X+12/5=0,就是移向的题了
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*-----------------------------------------------*| 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 ||
写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4