求教數學題2？

用戶2779

2007-02-21 8:24 pm

1=30+4X-5

回答 (3)

Long

2007-02-21 8:29 pm

✔ 最佳答案

1=30+4X-5
4x = 1-30+5
4x = -24
x = -6

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Nicoleeee

2007-02-21 9:16 pm

1=30+4X-5
4x = 1-30+5
4x = -24
x = -6

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Dogroutfish

2007-02-21 8:31 pm

1=30+4X-5
1+5-30=4X
-24=4X
X=-6

參考: me

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