1.
4b-b = -9
2006-12-03 10:29:40 · 8 個解答 · 發問者 珊 2 in 科學 ➔ 數學
4b - b = -9
3b = -9
b = -9/3
b = -3
2006-12-03 10:33:22 · answer #1 · answered by vegitou 7 · 0⤊ 0⤋
4b-b=-9
即3b=-9
即b=-9/3
即b=-3.
2006-12-03 19:56:25 · answer #2 · answered by ? 7 · 0⤊ 0⤋
4b-b=-9
3b=-9
3b/3=-9/3
b=-3
2006-12-03 14:43:12 · answer #3 · answered by ? 2 · 0⤊ 0⤋
1. -3
2006-12-03 10:51:52 · answer #4 · answered by ? 2 · 0⤊ 0⤋
3b=-9
b=-3
2006-12-03 10:43:40 · answer #5 · answered by Alfred 3 · 0⤊ 0⤋
4b-b=-9
3b=-9
b=-9/3
b=-3
2006-12-03 10:34:00 · answer #6 · answered by Ken ho 1 · 0⤊ 0⤋
4b-b= -9
3b= -9
b=9/3
b=3
2006-12-03 15:34:41 補充：
sor is =-3
2006-12-03 10:33:47 · answer #7 · answered by Anonymous · 0⤊ 0⤋
唔知你講咩
2006-12-03 10:33:02 · answer #8 · answered by 旨亮 1 · 0⤊ 0⤋