1=30+4X-5
2007-02-21 07:24:28 · 3 個解答 · 發問者 terrancekhho 7 in 科學 ➔ 數學
1=30+4X-5
4x = 1-30+5
4x = -24
x = -6
2007-02-21 07:29:53 · answer #1 · answered by ? 3 · 0⤊ 0⤋
1=30+4X-5
4x = 1-30+5
4x = -24
x = -6
2007-02-21 08:16:27 · answer #2 · answered by Nicoleeee 2 · 0⤊ 0⤋
1=30+4X-5
1+5-30=4X
-24=4X
X=-6
2007-02-21 07:31:01 · answer #3 · answered by Dogroutfish 2 · 0⤊ 0⤋