5(x-1)=3x-7?

2007-02-22 7:25 pm
5(x-1)=3x-7

回答 (3)

2007-02-22 7:28 pm
✔ 最佳答案
5(x-1) = 3x-7
5x-5 = 3x-7
5x-3x =- 7+5
2x = -2
x = -1
參考: me
2007-02-23 12:02 am
5x-5=3x-7
5x-3x=5-7
2x=-2
x=-2/2
x=-1
參考: 自己
2007-02-22 7:39 pm
5x-5=3x-7
5x-3x=-7+5
2x=-2
x=-1


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