1.)(3/2)x=(-3/4)x
x=?
2.)1/x+1/2x-1/3x=7/3
x=?
maths questions??
2006-11-25 11:51 pm
回答 (1)
2006-11-26 1:20 am
✔ 最佳答案
1.)(3/2)x=(-3/4)x(3/2)x + (3/4)x = 0
[(3/2) + (3/4)]x = 0
[(9/4)]x = 0
x = 0
2.)1/x+1/2x-1/3x=7/3
6/6x + 3/6x – 2/6x = 7/3
7/6x = 7/3
1/6x = 1/3
3 = 6x
x = 0.5
收錄日期: 2021-04-18 19:47:30
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