2007-10-29 09:10:46 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
n = 7/10
9/10 - n = 1/5 [ Multiply 1/5 by 2/2 to show it as tenths ]
9/10 - n = 2/10 [Subtract 2/10 from each side; add n to each ]
9/10 - 2/10 -n + n = 2/10 - 2/10 + n [Simplify]
(9-2)/10 = n
7/10 = n
2007-10-29 09:13:18 · answer #1 · answered by MamaMia © 7 · 0⤊ 0⤋
9/10 - n = 1/5
=> 9/10 - 1/5 = n
=> 7/10 = n
2007-10-29 16:13:59 · answer #2 · answered by harry m 6 · 0⤊ 0⤋
Okaay, 9/10 - 1/5 = n.
SO, 9/10 - 2/10 = n.
SO, 7/10 = n
2007-10-29 16:14:49 · answer #3 · answered by yljacktt 5 · 0⤊ 0⤋
7/10
2007-10-29 16:13:28 · answer #4 · answered by cedric 3 · 0⤊ 0⤋
9/10 - n = 2/10
n = 7/10
2007-11-02 15:11:44 · answer #5 · answered by Como 7 · 0⤊ 0⤋
9/10-n=1/5
9/10=1/5+n
9-10-1/5=n
9/10-2/10=n
7/10=n
2007-10-29 16:13:58 · answer #6 · answered by aba 2 · 0⤊ 0⤋