5-3x/2=3-5x/3 1-1/2x=3-1/6x(5-3x)/2=(3-5x)/3 1-1/2x=3-1/6x
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5-3x/2=3-5x/3 1-1/2x=3-1/6x(5-3x)/2=(3-5x)/3 1-1/2x=3-1/6x
5-3x/2=3-5x/3 1-1/2x=3-1/6x
(5-3x)/2=(3-5x)/3 1-1/2x=3-1/6x
5-3x/2=3-5x/3 1-1/2x=3-1/6x(5-3x)/2=(3-5x)/3 1-1/2x=3-1/6x
1:5-3X/2=3-5X/3 两边同乘以6得:30-9X=18-10X X=-12 ;
2:1-1/2X=3-1/6X 两边同乘以6、X得:6X-3=18X-1 12X=-2 X=-2/12
X= -1/6 .
1: 5-3X/2=3-5X/3 两边同乘以6得: 15-9X=6-10X X=-9 ;
2: 1-1/2X=3-1/6X 两边同乘以6X得: 6X-3=18X-1 12X=-2 X= -1/6
先乘进去,在移向,再合并同类项,解得-9
移向,合并同类项,解得-1/6
1: 5-3X/2=3-5X/3 两边同乘以6得: 15-9X=6-10X X=-9 ;
2: 1-1/2X=3-1/6X 两边同乘以6、X得: 6X-3=18X-1 12X=-2 X=-2/12
X= -1/6 。
*-----------------------------------------------*| 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 ||
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