Solve for x:(x-5)/3-3/2=(4x+7)/6?

2008-08-17 8:42 am

回答 (3)

2008-08-17 8:49 am
✔ 最佳答案
(x-5)/ 3 - 3/2= (4x+7) / 6 , cancel by 6

2x - 10 - 9 = 4x + 7

-26 = 2x

-26/2 = x

-13 = x

x = -13
2008-08-18 2:13 am
2x - 10 - 9 = 4x + 7
- 26 = 2x
x = - 13
2008-08-17 5:11 pm
(x - 5)/3 - 3/2 = (4x + 7)/6
6[(x - 5)/3 - 3/2] = 6(4x + 7)/6
2(x - 5) - 3(3) = 4x + 7
2*x - 2*5 - 9 = 4x + 7
2x - 10 - 9 = 4x + 7
2x - 4x = 19 + 7
-2x = 26
x = 26/-2
x = -13


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