3/2-1/3x-1=5/6x-2 求x?
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3/2-1/3x-1=5/6x-2求x?3/2-1/3x-1=5/6x-2求x?3/2-1/3x-1=5/6x-2求x?分母是2,3x-1,2(3x-1)所以最简公分母是2(3x-1)所以两边乘2(3
3/2-1/3x-1=5/6x-2 求x?
3/2-1/3x-1=5/6x-2 求x?
3/2-1/3x-1=5/6x-2 求x?
分母是2,3x-1,2(3x-1)
所以最简公分母是2(3x-1)
所以两边乘2(3x-1)
3(3x-1)-2=5
3x-1=7/3
x=4/9
方程两边同乘2(3x-1),
得3(3x-1)-2=5,
9x-3-2=5,
9x=5+3+2,
9x=10,
x=10/9。(正确答案)
等于10/9
3/2-1+2=5/6x+1/3x
5/2=7/6x
x=15/7
上面的是错误的,真确的应该是:
方程两边同乘2(3x-1),
得3(3x-1)-2=5,
9x-3-2=5,
9x=5+3+2,
9x=10,
x=10/9
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