1) 2(x-4)
---------- = -3
-3(x+3)
MATHS方程式F1
2010-08-20 12:43 am
回答 (2)
2010-08-24 1:43 am
✔ 最佳答案
2(x-4)/-3(x+3)=-32x-8/ -3x-9=-3
2x-8=-3(-3x-9)
2x-8=9x+27
9x-2x=-8-27
7x=-35
x=-35/7
x=-5
Hope I can help u!
參考: myself
2010-08-20 12:56 am
2(x-4)
---------- = -3
-3(x+3)
2(x-4)
--------- = -3 *( -3)
(x+3)
2(x-4)
--------- = 9
(x+3)
2(x-4) = 9(x+3)
2x-8 = 9x+27
7x = -35
x = -5
---------- = -3
-3(x+3)
2(x-4)
--------- = -3 *( -3)
(x+3)
2(x-4)
--------- = 9
(x+3)
2(x-4) = 9(x+3)
2x-8 = 9x+27
7x = -35
x = -5
收錄日期: 2021-04-19 23:05:33
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