MATH.....

2006-10-20 3:16 am

x-[(x-24)-3/4x-3/4x]=3

要快AR..........

回答 (5)

2006-10-20 3:21 am

✔ 最佳答案

x-[(x-24)-3/4x-3/4x]=3
By timing 4 on the whole equation,it becomes:
4x-[(4x-96)-3x-3x]=12
4x-[-2x-96]=12
4x+2x+96=12
6x=12-96
6x=-84
x=-14

👍 0 👎 0

2006-10-20 4:27 am

x-[(x-24)-3/4x-3/4x]=3
x-[x-24-6/4x]=3
x-x+24+6/4x=3
6/4x=-21
x=-14

👍 0 👎 0

2006-10-20 3:28 am

x-[(x-24)-3/4x-3/4x]=3
x-(x-24-6/4x)=3
x-x+24+6/4x=3
6/4x=3-24
x=-21*4/6
x=-14

這樣算...可以嗎?!

👍 0 👎 0

2006-10-20 3:24 am

x-[(x-24)-3/4x-3/4x]=3
x-(x-24-3/4x-3/4x)=3
x-x+24+3/4x+3/4x=3
24+6/4x=3
3/2x= -21
x=-14

👍 0 👎 0

2006-10-20 3:19 am

x-[(x-24)-3/4x-3/4x]=3
x+0.5x+24=3
1.5x=-21
x=-14

👍 0 👎 0