1. (34+y)/(6+y)=3
2006-10-23 13:37:52 · 5 個解答 · 發問者 ? 2 in 教育與參考 ➔ 教學
(34+y)/(6+y)=3
34 + y = 3 (6 + y)
34 + y = 18 + 3y
2y = 16
y = 8
2006-10-23 13:41:02 · answer #1 · answered by J 7 · 0⤊ 0⤋
(34+y)
¯¯¯¯¯ = 3
(6+y)
(34+y)
¯¯¯¯¯¯ ×(6+y)= 3×(6+y)
(6+y)
(34+y)=3×(6+y)
(34+y)=18+3y
34+y=18+3y
34-18=3y-y
16=2y
8=y
y=8
希望可以幫到你啦!
2006-10-24 14:55:41 · answer #2 · answered by Ng 2 · 0⤊ 0⤋
(34+y)/(6+y)=3
34+y=3(6+y)
34+y=18+3y
2y=16
y=8
2006-10-23 13:57:55 · answer #3 · answered by s1981087001 1 · 0⤊ 0⤋
(34+y)/(6+y)=3
34+y=3(6+y)
34+y=18+3y
34-18=3y-y
16=2y
y=8
2006-10-23 13:42:02 · answer #4 · answered by angel 3 · 0⤊ 0⤋
(34+y)/(6+y)=3
(34+y)=3(6+y)
34+y=18+3y
16=2y
8=y
Hope can help you!!!
2006-10-23 13:41:30 · answer #5 · answered by Tsz Hin 2 · 0⤊ 0⤋